Yamaha Grizzly YF70GG, YF70GPG, YF70GPSG. Service manual (2016)

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REAR BRAKE

Disassembling the rear brake calipers

5 Nm (0.5 m•kgf, 3.6 ft•Ibf)

17 Nm (1.7 m•kgf, 12 ft•Ibf)

New

22 Nm (2.2 m•kgf, 16 ft•Ibf)

Order

Job/Parts to remove

Q’ty

Remarks

The following procedure applies to both of

the rear brake calipers.

Brake pad holding bolt

Brake pad

Brake pad spring

Brake caliper bracket

Brake caliper guide pin

Brake caliper retaining pin

Brake caliper piston

Brake caliper dust seal

Brake caliper piston seal

Bleed screw

4-42

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REAR BRAKE

EBS30382

Refer to “CHECKING THE FRONT BRAKE

INTRODUCTION

DISCS” on page 4-31.

EWB02930

WARNING

Brake disc thickness limit

Disc brake components rarely require disas-

3.0 mm (0.12 in)

sembly. Therefore, always follow these pre-

ventive measures:

5. Adjust:

• Never disassemble brake components un-

• Brake disc deflection

less absolutely necessary.

Refer to “CHECKING THE FRONT BRAKE

• If any connection on the hydraulic brake

DISCS” on page 4-31.

system is disconnected, the entire brake

system must be disassembled, drained,

Rear brake disc bolt

30 Nm (3.0 m·kgf, 22 ft·lbf)

cleaned, properly filled, and bled after reas-

LOCTITE®

sembly.

• Never use solvents on internal brake com-

6. Install:

ponents.

Rear wheels

• Use only clean or new brake fluid for clean-

Refer to “REAR WHEELS” on page 4-23.

ing brake components.

• Brake fluid may damage painted surfaces

EBS30384

and plastic parts. Therefore, always clean

REPLACING THE REAR BRAKE PADS

up any spilt brake fluid immediately.

The following procedure applies to both brake

• Avoid brake fluid coming into contact with

calipers.

the eyes as it can cause serious injury.

TIP

FIRST AID FOR BRAKE FLUID ENTERING

When replacing the brake pads, it is not neces-

THE EYES:

sary to disconnect the brake hose or disassem-

• Flush with water for 15 minutes and get im-

ble the brake caliper.

mediate medical attention.

1. Measure:

EBS30383

• Brake pad wear limit “a”

CHECKING THE REAR BRAKE DISCS

Out of specification → Replace the brake

The following procedure applies to both brake

pads and brake pad spring as a set.

discs.

Brake pad lining thickness limit

1. Remove:

1.0 mm (0.04 in)

• Rear wheel

Refer to “REAR WHEELS” on page 4-23.

2. Check:

• Brake disc

Damage/galling → Replace.

3. Measure:

• Brake disc deflection

Out of specification → Correct the brake disc

deflection or replace the brake disc.

Refer to “CHECKING THE FRONT BRAKE

DISCS” on page 4-31.

2. Install:

Brake disc deflection limit

• Brake pad spring

0.10 mm (0.0039 in)

• Brake pads

4. Measure:

TIP

• Brake disc thickness

Always install new brake pads and a new brake

Measure the brake disc thickness at a few dif-

pad spring as a set.

ferent

locations.

Out of specification → Replace.

4-43

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REAR BRAKE

▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼

• Brake lever bracket

a. Connect a clear plastic hose “1” tightly to

ECB02880

the bleed screw “2”. Put the other end of the

NOTICE

hose into an open container.

The brake lever pivot bolt and nut have left-

handed threads. To loosen the pivot bolt and

nut, turn them clockwise.

EBS30386

DISASSEMBLING THE REAR BRAKE

CALIPERS

The following procedure applies to both of the

brake calipers.

TIP

Before disassembling the brake caliper, drain

b. Loosen the bleed screw and push the brake

the brake fluid from the entire brake system.

caliper piston into the brake caliper with

1. Remove:

your finger.

• Brake caliper piston “1”

c. Tighten the bleed screw.

• Brake caliper dust seal “2”

Brake caliper bleed screw

• Brake caliper piston seal “3”

5 Nm (0.5 m·kgf, 3.6 ft·lbf)

d. Install new brake pads and a new brake pad

spring.

▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲

3. Install:

• Brake pad holding bolt

• Brake pad holding bolt plug

• Brake caliper

Brake pad holding bolt

▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼

17 Nm (1.7 m·kgf, 12 ft·lbf)

a. Blow compressed air into the brake hose

Brake pad holding bolt plug

joint opening “a” to force out the piston from

2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)

the brake caliper.

Rear brake caliper bolt

EWB02890

30 Nm (3.0 m·kgf, 22 ft·lbf)

WARNING

• Cover the brake caliper piston with a rag.

4. Check:

Be careful not to get injured when the pis-

• Brake fluid level

ton is expelled from the brake caliper.

Below the minimum level mark → Add the

• Never try to pry out the brake caliper pis-

specified brake fluid to the proper level.

ton.

Refer to “CHECKING THE BRAKE FLUID

LEVEL” on page 3-14.

5. Check:

• Brake lever and pedal operation

Soft or spongy feeling → Bleed the brake sys-

tem.

Refer to “BLEEDING THE HYDRAULIC

BRAKE SYSTEM” on page 3-14.

EBS30385

REMOVING THE REAR BRAKE MASTER

CYLINDER

b. Remove the brake caliper dust seal and

1. Remove:

brake caliper piston seal.

• Brake lever

▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲

4-44

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REAR BRAKE

EBS30387

• Never use solvents on internal brake com-

CHECKING THE REAR BRAKE CALIPERS

ponents as they will cause the brake caliper

The following procedure applies to both of the

piston dust seals and brake caliper piston

brake calipers.

seals to swell and distort.

Recommended brake component replacement

• Whenever a brake caliper is disassembled,

schedule

replace the brake caliper piston dust seals

Brake pads

If necessary

and brake caliper piston seals.

Piston seals, dust seals

Every two years

Brake hoses

Every four years

Specified brake fluid

DOT 4

Every two years and

Brake fluid

whenever the brake is

EBS30389

disassembled

INSTALLING THE REAR BRAKE CALIPERS

1. Check:

The following procedure applies to both of the

• Brake caliper piston “1”

brake calipers.

Rust/scratches/wear → Replace the brake

1. Install:

caliper piston.

• Brake caliper assembly

• Brake caliper cylinder “2”

• Brake caliper bolts “1”

Scratches/wear → Replace the brake caliper

• Brake hose “2”

assembly.

• Copper washers “3”

New

• Brake caliper body “3”

• Brake hose union bolt “4”

Cracks/damage → Replace the brake caliper

assembly.

Rear brake caliper bolt

30 Nm (3.0 m·kgf, 22 ft·lbf)

• Brake fluid delivery passages

Brake hose union bolt

(brake caliper body)

27 Nm (2.7 m·kgf, 20 ft·lbf)

Obstruction → Blow out with compressed air.

EWB03140

EWB02870

WARNING

Whenever a brake caliper is disassembled,

Proper brake hose routing is essential to in-

replace the brake caliper piston dust seals

sure safe vehicle operation.

and brake caliper piston seals.

Refer to “CABLE ROUTING” on page 2-33.

ECB02330

NOTICE

When installing the brake hose onto the

brake caliper, make sure the brake pipe

touches the projection “a” on the brake cali-

per.

EBS30388

ASSEMBLING THE REAR BRAKE CALIPERS

The following procedure applies to both of the

brake calipers.

EWB03150

WARNING

New

• Before installation, all internal brake com-

ponents should be cleaned and lubricated

2. Fill:

with clean or new brake fluid.

• Brake master cylinder reservoir

(with the specified amount of the specified

brake fluid)

4-45

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REAR BRAKE

3. Check:

Specified brake fluid

• Brake master cylinder reservoir

DOT 4

Cracks/damage → Replace.

• Brake master cylinder reservoir diaphragm

EWB02790

Cracks/damage → Replace.

WARNING

4. Check:

• Use only the designated brake fluid. Other

• Brake hoses

brake fluids may cause the rubber seals to

Cracks/damage/wear → Replace.

deteriorate, causing leakage and poor

brake performance.

EBS30391

• Refill with the same type of brake fluid that

ASSEMBLING THE REAR BRAKE MASTER

is already in the system. Mixing brake fluids

CYLINDER

EWB03590

may result in a harmful chemical reaction,

WARNING

leading to poor brake performance.

• Before installation, all internal brake com-

• When refilling, be careful that water does

ponents should be cleaned and lubricated

not enter the brake fluid reservoir. Water

with clean or new brake fluid.

will significantly lower the boiling point of

• Never use solvents on internal brake com-

the brake fluid and could cause vapor lock.

ponents.

ECB01320

• Whenever a master cylinder is disassem-

NOTICE

bled, replace the brake master cylinder kit.

Brake fluid may damage painted surfaces

and plastic parts. Therefore, always clean up

Specified brake fluid

any spilt brake fluid immediately.

DOT 4

3. Bleed:

• Brake system

EBS30392

Refer to “BLEEDING THE HYDRAULIC

INSTALLING THE REAR BRAKE MASTER

BRAKE SYSTEM” on page 3-14.

CYLINDER

4. Check:

1. Install:

• Brake fluid level

• Brake master cylinder “1”

Below the minimum level mark → Add the

• Brake master cylinder holder “2”

specified brake fluid to the proper level.

Rear brake master cylinder hold-

Refer to “CHECKING THE BRAKE FLUID

er bolt

LEVEL” on page 3-14.

7 Nm (0.7 m·kgf, 5.1 ft·lbf)

5. Check:

• Brake lever and pedal operation

TIP

Soft or spongy feeling → Bleed the brake sys-

• Align the end of the brake master cylinder hold-

tem.

er with the punch mark “a” on the handlebar.

Refer to “BLEEDING THE HYDRAULIC

• Install the brake master cylinder holder with the

BRAKE SYSTEM” on page 3-14.

“UP” mark “b” facing up.

EBS30390

• First, tighten the upper bolt, then the lower bolt.

CHECKING THE REAR BRAKE MASTER

CYLINDER

1. Check:

• Brake master cylinder

Damage/scratches/wear → Replace.

• Brake fluid delivery passages

(brake master cylinder body)

Obstruction → Blow out with compressed air.

2. Check:

• Brake master cylinder kit

Damage/scratches/wear → Replace.

2. Install:

• Brake hose

4-46

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REAR BRAKE

EWB02880

• Copper washers

New

WARNING

• Brake hose union bolt

• Use only the designated brake fluid. Other

Brake hose union bolt

brake fluids may cause the rubber seals to

27 Nm (2.7 m·kgf, 20 ft·lbf)

deteriorate, causing leakage and poor

brake performance.

EWB02870

• Refill with the same type of brake fluid that

WARNING

is already in the system. Mixing brake fluids

Proper brake hose routing is essential to in-

may result in a harmful chemical reaction,

sure safe vehicle operation.

leading to poor brake performance.

Refer to “CABLE ROUTING” on page 2-33.

• When refilling, be careful that water does

not enter the brake master cylinder reser-

TIP

voir. Water will significantly lower the boil-

• While holding the brake hose, tighten the union

ing point of the brake fluid and could cause

bolt as shown.

vapor lock.

• Turn the handlebar to the left and right to make

ECB01320

sure the brake hose does not touch other parts

NOTICE

(e.g., wire harness, cables, leads). Correct if

Brake fluid may damage painted surfaces

necessary.

and plastic parts. Therefore, always clean up

any spilt brake fluid immediately.

Bleed:

• Brake system

Refer to “BLEEDING THE HYDRAULIC

BRAKE SYSTEM” on page 3-14.

45-50˚

Check:

• Brake fluid level

Below the minimum level mark → Add the

specified brake fluid to the proper level.

Refer to “CHECKING THE BRAKE FLUID

3. Install:

LEVEL” on page 3-14.

• Brake lever bracket

Check:

• Brake lever

• Brake lever and pedal operation

Rear brake lever pivot bolt

Soft or spongy feeling → Bleed the brake sys-

6 Nm (0.6 m·kgf, 4.3 ft·lbf)

tem.

Rear brake lever pivot nut

Refer to “BLEEDING THE HYDRAULIC

6 Nm (0.6 m·kgf, 4.3 ft·lbf)

BRAKE SYSTEM” on page 3-14.

ECB02890

NOTICE

The brake lever pivot bolt and nut have left-

handed threads. To tighten the pivot bolt and

nut, turn them counterclockwise.

4. Fill:

• Brake master cylinder reservoir

(with the specified amount of the specified

brake fluid)

Specified brake fluid

DOT 4

4-47

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HANDLEBAR

EBS20099

HANDLEBAR

Removing the handlebar

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

1.5 Nm (0.15 m•kgf, 1.1 ft•Ibf)

New

0.5 Nm (0.05 m•kgf, 0.36 ft•Ibf)

4.0 Nm (0.40 m•kgf, 2.9 ft•Ibf)

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

3.5 Nm (0.35 m•kgf, 2.5 ft•Ibf)

20 Nm (2.0 m•kgf, 14 ft•Ibf)

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

Order

Job/Parts to remove

Q’ty

Remarks

Handle mounted light cover

Multi-function meter

Handlebar cover

Plastic band

On-Command four-wheel-drive motor switch

and differential gear lock switch

Throttle cable

Disconnect.

Throttle lever assembly holder

Throttle lever assembly

4-48

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HANDLEBAR

Removing the handlebar

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

1.5 Nm (0.15 m•kgf, 1.1 ft•Ibf)

New

0.5 Nm (0.05 m•kgf, 0.36 ft•Ibf)

4.0 Nm (0.40 m•kgf, 2.9 ft•Ibf)

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

3.5 Nm (0.35 m•kgf, 2.5 ft•Ibf)

20 Nm (2.0 m•kgf, 14 ft•Ibf)

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

Order

Job/Parts to remove

Q’ty

Remarks

Front brake master cylinder holder

Front brake master cylinder

Rear brake master cylinder holder

Rear brake light switch connector

Disconnect.

Rear brake master cylinder

Handlebar switch (left)

Horn switch

Except for CDN

Handlebar grip

Handle mounted light assembly

Handlebar holder

Handlebar

4-49

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HANDLEBAR

EBS30393

REMOVING THE HANDLEBAR

1. Place the vehicle on a level surface.

2. Remove:

• Handlebar grips “1”

TIP

Blow compressed air between the handlebar

end and the handlebar grip, and gradually push

the grip off the handlebar.

EBS30394

CHECKING THE HANDLEBAR

1. Check:

• Handlebar

Bends/cracks/damage → Replace.

EWB03680

WARNING

Do not attempt to straighten a bent handle-

bar as this may dangerously weaken it.

EBS30395

INSTALLING THE HANDLEBAR

1. Place the vehicle on a level surface.

2. Install:

• Handlebar

• Handlebar holders

• Handle mounted light assembly

Handlebar holder bolt

20 Nm (2.0 m·kgf, 14 ft·lbf)

TIP

• Install the handlebar within 15° from the hori-

3. Install:

zontal line shown in the illustration.

• Handlebar grips “1”

• The handlebar holders should be installed with

▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼

the punch mark “a” forward “A”.

a. Wipe off grease or oil on the handlebar sur-

• Align the punch mark “b” on the handlebar with

face “a” with a lacquer thinner.

the lower surface of the right handlebar holder.

b. Apply a thin coat of rubber adhesive onto the

• First tighten the bolts “1” on the front side of the

left and right ends of the handlebar.

handlebar holders, and then tighten the bolts

c. Install the handlebar grips to the handlebar so

“2” on the rear side.

that arrow mark “L” faces up on the left han-

dlebar grip and the arrow mark “R” faces up

on the right handlebar.

4-50

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HANDLEBAR

d. Wipe off any excess rubber adhesive with a

TIP

clean rag.

Be sure to fit the projection “a” on the handlebar

EWB03690

“2” between the ends of the horn switch.

WARNING

Do not touch the handlebar grip until the rub-

ber adhesive has fully dried.

6. Install:

• Front brake master cylinder “1”

• Front brake master cylinder holder “2”

▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲

4. Install:

Front brake master cylinder hold-

• Handlebar switch (left)

er bolt

• Rear brake master cylinder “1”

7 Nm (0.7 m·kgf, 5.1 ft·lbf)

• Rear brake master cylinder holder “2”

TIP

Rear brake master cylinder hold-

• Align the end of the brake master cylinder hold-

er bolt

er with the punch mark “a” on the handlebar.

7 Nm (0.7 m·kgf, 5.1 ft·lbf)

• The “UP” mark “b” on the brake master cylinder

holder should face up.

TIP

• First tighten the bolt “3” on the upper side of the

• Align the end of the brake master cylinder hold-

brake master cylinder holder, and then tighten

er with the punch mark “a” on the handlebar.

the bolt “4” on the lower side.

• The “UP” mark “b” on the brake master cylinder

holder should face up.

• First tighten the bolt on the upper side of the

brake master cylinder holder, and then tighten

the bolt on the lower side.

7. Install:

• Throttle lever assembly “1”

• Throttle lever assembly holder

TIP

Align the projection “a” on the throttle lever as-

5. Install (except for CDN):

sembly with the end of the brake master cylinder

• Horn switch “1”

holder “b”.

Horn switch holder screw (except

for CDN)

0.5 Nm (0.05 m·kgf, 0.36 ft·lbf)

4-51

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STEERING STEM

EBS20101

STEERING STEM

Removing the steering stem (except for EPS models)

51 Nm (5.1 m•kgf, 37 ft•Ibf)

New

23 Nm (2.3 m•kgf, 17 ft•Ibf)

New

34 Nm (3.4 m•kgf, 25 ft•Ibf)

40 Nm (4.0 m•kgf, 29 ft•Ibf)

New

(4)

New

25 Nm (2.5 m•kgf, 18 ft•Ibf)

New

190 Nm (19 m•kgf, 137 ft•lbf)

Order

Job/Parts to remove

Q’ty

Remarks

Front skid plate/Battery cover/Seat/Top cov-

Refer to “GENERAL CHASSIS (1)” on page

er/Side panels

4-1.

Refer to “GENERAL CHASSIS (2)” on page

Front carrier/Front guard

4-6.

Refer to “GENERAL CHASSIS (3)” on page

Front fender

4-8.

Refer to “GENERAL CHASSIS (4)” on page

Electrical components tray

4-11.

Refer to “GENERAL CHASSIS (5)” on page

Storage compartment

4-17.

Handlebar

Refer to “HANDLEBAR” on page 4-48.

Lock washer

Cable guide

Steering stem bushing holder

Steering stem bushing

Collar

4-53

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STEERING STEM

Removing the steering stem (except for EPS models)

51 Nm (5.1 m•kgf, 37 ft•Ibf)

New

23 Nm (2.3 m•kgf, 17 ft•Ibf)

New

34 Nm (3.4 m•kgf, 25 ft•Ibf)

40 Nm (4.0 m•kgf, 29 ft•Ibf)

New

(4)

New

25 Nm (2.5 m•kgf, 18 ft•Ibf)

New

190 Nm (19 m•kgf, 137 ft•lbf)

Order

Job/Parts to remove

Q’ty

Remarks

Tie-rod nut

Tie-rod

Disconnect.

Pitman arm nut

Pitman arm

Steering stem

Plug

Oil seal

Bearing retainer

Bearing

Steering stem support

Steering stem bracket

4-54

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STEERING STEM

Removing the steering stem (for EPS models)

51 Nm (5.1 m•kgf, 37 ft•Ibf)

23 Nm (2.3 m•kgf, 17 ft•Ibf)

New

35 Nm (3.5 m•kgf, 25 ft•Ibf)

(4)

30 Nm (3.0 m•kgf, 22 ft•Ibf)

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

New

25 Nm (2.5 m•kgf, 18 ft•Ibf)

210 Nm (21.0 m•kgf, 152 ft•lbf)

New

Order

Job/Parts to remove

Q’ty

Remarks

Front skid plate/Battery cover/Seat/Top cov-

Refer to “GENERAL CHASSIS (1)” on page

er/Side panels

4-1.

Refer to “GENERAL CHASSIS (2)” on page

Front carrier/Front guard

4-6.

Refer to “GENERAL CHASSIS (3)” on page

Front fender

4-8.

Refer to “GENERAL CHASSIS (4)” on page

Electrical components tray

4-11.

Refer to “GENERAL CHASSIS (5)” on page

Storage compartment

4-17.

Handlebar

Refer to “HANDLEBAR” on page 4-48.

Lock washer

Cable guide

Steering stem bushing holder

Steering stem bushing

Collar

4-55

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STEERING STEM

Removing the steering stem (for EPS models)

51 Nm (5.1 m•kgf, 37 ft•Ibf)

23 Nm (2.3 m•kgf, 17 ft•Ibf)

New

35 Nm (3.5 m•kgf, 25 ft•Ibf)

(4)

30 Nm (3.0 m•kgf, 22 ft•Ibf)

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

New

25 Nm (2.5 m•kgf, 18 ft•Ibf)

210 Nm (21.0 m•kgf, 152 ft•lbf)

New

Order

Job/Parts to remove

Q’ty

Remarks

Tie-rod nut

Tie-rod

Disconnect.

Pitman arm nut

Pitman arm

Steering stem pinch bolt

Steering stem

Plug

EPS motor cover

EPS unit

Steering stem bracket

4-56

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STEERING STEM

EBS30396

EBS30109

REMOVING THE BEARING RETAINER

INSTALLING THE STEERING STEM (except

(except for EPS models)

for EPS models)

1. Remove:

• Bearing retainer “1”

TIP

Remove the bearing retainer with the damper

New

rod holder “2”.

Damper rod holder (30 mm)

90890-01327

Damper rod holder (30 mm)

YM-01327

New

(4)

1. Install:

EBS30397

• Bearing “1”

CHECKING THE STEERING STEM

• Bearing retainer “2”

1. Check:

• Steering stem

• Oil seals “3”

New

Bends → Replace.

EWB03780

Bearing retainer (steering stem)

WARNING

40 Nm (4.0 m·kgf, 29 ft·lbf)

Do not attempt to straighten a bent stem; this

may dangerously weaken the stem.

TIP

Install the bearing retainer with the damper rod

2. Check:

holder.

• Steering stem bushings

Wear/damage → Replace.

Damper rod holder (30 mm)

90890-01327

Damper rod holder (30 mm)

YM-01327

2. Install:

• Steering stem support “4”

• Steering stem support bolts “5”

(temporarily tighten)

3. Install:

• Steering stem “6”

4. Install:

• Collars “7”

• Steering stem bushings “8”

• Steering stem bushing holders “9”

• Cable guide “10”

• Lock washer “11” New

4-57

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STEERING STEM

EBS30398

• Steering stem bolts “12”

INSTALLING THE STEERING STEM (for EPS

(temporarily tighten)

models)

TIP

Apply lithium-soap-based grease to the steering

stem bushings.

5. Install:

New

• Steering stem bracket “13”

• Steering stem bracket bolts “14”

(temporarily tighten)

6. Tighten:

• Steering stem bolts “12”

Steering stem bolt

23 Nm (2.3 m·kgf, 17 ft·lbf)

TIP

(4)

• Bend the lock washer tabs “a” along a flat side

of the bolts.

• Pass the brake hoses through the cable guide.

Refer to “CABLE ROUTING” on page 2-33.

1. Install:

• Collars “1”

• Steering stem bushings “2”

• Steering stem bushing holders “3”

• Cable guide “4”

• Lock washer “5”

New

• Steering stem bracket “6”

• Steering stem bolts “7”

Tighten:

(temporarily tighten)

• Steering stem support bolts “5”

TIP

Steering stem support bolt (ex-

Apply lithium-soap-based grease to the steering

cept for EPS models)

stem bushings.

34 Nm (3.4 m·kgf, 25 ft·lbf)

2. Install:

LOCTITE®

• EPS unit “8”

Tighten:

• EPS unit bolts “9”

• Steering stem bracket bolts “14”

(temporarily tighten)

3. Install:

Steering stem bracket bolt

• Steering stem “10”

51 Nm (5.1 m·kgf, 37 ft·lbf)

• Steering stem pinch bolt “11”

LOCTITE®

(temporarily tighten)

TIP

Align the punch mark “a” on the EPS unit with

the groove “b” in the steering stem.

4-58

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STEERING STEM

EBS30399

INSTALLING THE PITMAN ARM (except for

EPS models)

1. Install:

• Pitman arm “1”

• Washer

• Pitman arm nut

• Cotter pin

New

Pitman arm nut (except for EPS

models)

Install:

190 Nm (19 m·kgf, 137 ft·lbf)

• Steering stem bracket bolts “12”

(temporarily tighten)

TIP

Tighten:

• Align the groove “a” in the pitman arm with the

• EPS unit bolts “9”

steering stem spline “b” that is indented.

• Steering stem pinch bolts “11”

• Install the washer so that the rubber side “c” of

the washer faces towards the pitman arm.

EPS unit bolt (for EPS models)

30 Nm (3.0 m·kgf, 22 ft·lbf)

LOCTITE®

Steering stem pinch bolt (for EPS

models)

35 Nm (3.5 m·kgf, 25 ft·lbf)

LOCTITE®

Tighten:

• Steering stem bolts “7”

Steering stem bolt

23 Nm (2.3 m·kgf, 17 ft·lbf)

TIP

• Bend the lock washer tabs “c” along a flat side

of the bolts.

• Pass the brake hoses through the cable guide.

Refer to “CABLE ROUTING” on page 2-33.

New

EBS30400

INSTALLING THE PITMAN ARM (for EPS

models)

1. Install:

• Pitman arm “1”

• Washer

• Pitman arm nut

7. Tighten

• Cotter pin

New

• Steering stem bracket bolts “12”

Pitman arm nut (for EPS models)

Steering stem bracket bolt

210 Nm (21 m·kgf, 152 ft·lbf)

51 Nm (5.1 m·kgf, 37 ft·lbf)

LOCTITE®

4-59

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TIE-RODS AND STEERING KNUCKLES

EBS20100

TIE-RODS AND STEERING KNUCKLES

Removing the tie-rods and steering knuckles

New

25 Nm (2.5 m•kgf, 18 ft•Ibf)

15 Nm (1.5 m•kgf, 11 ft•Ibf)

25 Nm (2.5 m•kgf, 18 ft•Ibf)

New

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

New

30 Nm (3.0 m•kgf, 22 ft•Ibf)

New

30 Nm (3.0 m•kgf, 22 ft•Ibf)

New

7 Nm (0.7 m•kgf, 5.1 ft•Ibf)

Order

Job/Parts to remove

Q’ty

Remarks

The following procedure applies to both of

the tie-rods and steering knuckles.

Front wheel hub

Refer to “FRONT WHEELS” on page 4-20.

Brake disc guard

Front arm protector

Tie-rod end locknut

Tie-rod end

Tie-rod

Nut

Steering knuckle

Circlip

Ball joint

Circlip

Wheel bearing

4-61

Yamaha Grizzly YF70GG, YF70GPG, YF70GPSG. Service manual (2016) - part 9