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EAA01069

M. ADJUSTING THE HOT

STARTER (CHOKE) CABLE

FREE PLAY

1. Measure:

hot starter (choke) cable free play (c)

Out of specification

Adjust.

Hot starter (choke) cable free play

3 ~ 6 mm (0.12 ~ 0.24 in)

2. Adjust:

hot starter (choke) cable free play

a. Loosen the locknut (1).
b. Turn the adjusting bolt (2) in direction

(a) or (b) until the specified hot starter
(choke) cable free play is obtained.

Direction (a):

Hot starter (choke) cable free play
is increased.

Direction (b):

Hot starter (choke) cable free play
is decreased.

c. Tighten the locknut.

NOTE:

After adjustment, check proper operation
of hot starter (choke).

2. Adjust:

clutch cable free play

a. Loosen the locknuts (1).
b. Adjust the free play by changing their

tightening position.

c. Tighten the locknuts.

EAA01059

N. ADJUSTING THE DRIVE CHAIN

SLACK

NOTE:

The drive chain slack must be checked
above the drive chain guide bolt.

CAUTION:

A drive chain that is too tight will over-
load the engine and other vital parts,
and one that is too loose can skip and
damage the swingarm or cause an
accident. Therefore, keep the drive
chain slack within the specified limits.

1. Stand the machine on a level surface.

Securely support the machine so that
there is no danger of it falling over.

NOTE:

Both wheels should be on the ground
without a rider on the machine.

2. Rotate the rear wheel several times.
3. Measure:

drive chain slack (a)

Out of specification

Adjust.

Drive chain slack:

40 ~ 50 mm (1.6 ~ 2.0 in)

4. Loosen:

wheel axle nut (1)

5. Adjust:

drive chain slack

a. Loosen both locknuts (3).
b. Turn both adjusting bolts (2) in direc-

tion (a) or (b) until the specified drive
chain slack is obtained.

Direction (a):

Drive chain is tightened.

Direction (b):

Drive chain is loosened.

NOTE:

To maintain the proper wheel alignment,
adjust both sides evenly.

c. Tighten the wheel axle nut to specifica-

tion.

Wheel axle nut:

125 Nm (12.5 m

kg, 90 ft

lb)

d. Tighten the locknuts to specification.

Locknut:

16 Nm (1.6 m

kg, 11 ft

lb)

NOTE:

Make minute adjustment on the lever
side using the adjusting dial (2).

After adjustment, check proper
operation of clutch lever.

Содержание WR250F(R)

Страница 1: ......

Страница 2: ......

Страница 3: ...WR250FR 5UM 28107 10 ASSEMBLY MANUAL LIT 11666 16 48 ...

Страница 4: ...continually striving to improve all of its model Modifications and signifi cant changes in specifications or procedures will be forwarded to all authorized Yamaha dealers and will appear in future editions of this manual where applicable The procedures below are described in the order that the procedures are carried out correctly and com pletely Failure to do so can result in poor performance and ...

Страница 5: ...all so that the arrow mark faces upward 6 Apply a motor oil 7 Made of rubber or plastics 8 A Ref No indicating the order of operations B Part name C Quantity of parts per machine D Place where parts are held V Stored in vinyl bag C Stored in carton box S Fixed inside the steel frame and or contained in the styro foam tray upper or lower Temporarily installed or secured E Size or material of parts ...

Страница 6: ...050 SYMBOLS USED ON CRATE CARTON 1 Contents of the transport package are fragile therefore the package must be handled with care 2 Indicates correct upright position of the transport package 3 Transport package must be kept away from rain 4 Insertion of the forklift arm from this side will cause damage 5 Do not step anywhere on the transport package 6 Up to 6 of the transport packages can be piled...

Страница 7: ...acking frame bolt 4 and handlebar holder bolts 5 4 Remove the packing frames in order of sideways 6 upward 7 and front back 8 NOTE Hold the frame while removing the frame bolts 5 Remove the bolts 9 front axle fixed plate 10 NOTE Before starting the assembly check for damaged or missing parts Check the parts contained in the carton boxes and on the machine for damage scratches and other defects 1 ...

Страница 8: ...EAA00070 PARTS LOCATION 1 Front wheel 2 Front fender 3 Carton Box 1 4 Carton Box 2 2 ...

Страница 9: ...ver 20 Fuel tank breather hose 21 Spark plug wrench 22 Nipple wrench 23 Boot adjust nut 24 Handlebar clamp 25 Boot clutch lever 26 Hexagon bolt with plain washer front fender d 6 0 24 l 20 0 79 27 Collar front fender d 6 0 24 28 Flange bolt brake hose cover d 6 0 24 l 12 0 47 29 Plain washer brake hose cover d 8 0 31 30 Flange bolt brake hose cover d 8 0 31 l 20 0 79 31 Brake hose holder 32 Hexago...

Страница 10: ...EAA00100 SETUP PROCEDURES Perform the setup procedures in the order indicated by the numbers Always follow the order as shown 4 ...

Страница 11: ...ial to assure safe machine operation Refer to CABLE ROUTING EAA000205 3 FRONT WHEEL A Clean the brake disc B Clean the front wheel axle C Clean the collars NOTE Install the collars with its position a facing the wheel D W Take care not to get grease on the brake disc or inner surface of the brake pads If you do so clean using a rag dampened with a solvent Foreign materi al on the braking surface c...

Страница 12: ...ip meter gear unit B Tighten the bolts to specifica tion Bolts 4 Nm 0 4 mdkg 2 9 ftdlb W Proper cable routing is essen tial to assure safe machine operation Refer to CABLE ROUTING 1 Trip meter cable 1 2 Bracket trip meter cable 1 V 3 Button head bolt trip meter cable 2 V d 5 0 20 l 8 0 31 1 Front wheel 1 S 2 Front wheel axle 1 3 Collar front wheel axle 1 V d 20 0 79 4 Trip meter gear unit 1 V 5 Ax...

Страница 13: ...over bolts to slide the front fork cover upwards B NOTE D Align the top d of the brake hose neck with the brake hose holder bottom c D Pass the brake hose in front of the axle boss a then fit it into the brake hose groove b D Make sure that brake hose does not contact the front axle nut C Tighten the brake hose hold er bolts to specification Bolt 10 Nm 1 0 mdkg 7 2 ftdlb D Slide the front fork cov...

Страница 14: ... with plain washer front fender 4 V d 6 0 24 l 20 0 79 3 Collar front fender 4 V d 6 0 24 1 Front brake master cylinder 1 2 Master cylinder bracket 1 V 3 Flange bolt 2 V d 6 0 24 l 22 0 87 EAA00049 9 CLUTCH CABLE A Install the boot and lever cover to the clutch cable B Lubricate the pivoting part of the clutch lever Recommended lubricants Lithium soap based grease C To install the clutch cable be ...

Страница 15: ... cable routing is essen tial to assure safe machine operation Refer to CABLE ROUTING 1 Boot hot starter choke lever 1 V 2 Hot starter choke lever 1 EAA00037 11 LIGHT SWITCH A W Proper hose routing is essen tial to assure safe machine operation Refer to CABLE ROUTING B Tighten the screws to specifi cation Screws 2 Nm 0 2 mdkg 1 4 ftdlb EAA00212 12 HEADLIGHT A Connect the headlight coupler to the he...

Страница 16: ...e NOTE Refer to CABLE ROUTING 1 Cable clamp 1 V EAA00071 15 FUEL TANK BREATHER HOSE A Install the steering shaft cap to the fuel tank breather hose B Connect one end of the breather hose to the fuel tank filler cap and insert the other end into the hole of the steer ing shaft NOTE Refer to CABLE ROUTING CAUTION Install the hose joint with its arrow mark facing the TANK side 1 Steering shaft cap 1 ...

Страница 17: ...in washer air scoop 3 V 3 Hexagon bolt with plain washer air scoop 1 V EAA00189 17 BATTERY A Remove the bolts seat B First connect the positive lead to the positive terminal C Second connect the negative lead to the negative terminal NOTE Refer to CABLE ROUTING D Install the bolts seat to speci fication Bolt 23 Nm 2 3 mdkg 17 ftdlb 1 Hexagon bolt with plain 2 washer 2 Seat 1 3 Positive lead 1 4 Ne...

Страница 18: ...e cable 3 Negative battery lead 4 Lights switch lead 5 Brake hose 6 Hose guide 7 Cable guide A Pass the fuel tank breather hose into the hole in the steering shaft cap B Pass the wire harness clutch cable and light switch lead through the cable guide C Fit the brake hose into the guides on the protector 12 EAA00900 CABLE ROUTING ...

Страница 19: ...able pull A Pass the throttle cables and hot starter choke cable through the cable guides B Pass the throttle cables and hot starter choke cable between the radiator and frame then under the radiator mounting boss C Pass the throttle cables on the outside of the ignition coil 13 ...

Страница 20: ... 1 Negative battery lead 2 Positive battery lead 3 Battery A Position the start motor lead negative battery lead and wire harness in the tank damper slit 14 ...

Страница 21: ... switch lead to the handle bar with a plastic band B Fasten the ENGINE STOP button lead and clutch switch lead to the handlebar with the plastic bands C Pass the brake hose though the hose guide D Pass the start switch lead in front of the main switch lead E Fasten the start switch lead to the handlebar with a plastic band F Pass the hot starter cable clutch cable and lights switch lead between th...

Страница 22: ...EAA01100 ADJUSTMENTS AND PREDELIVERY SERVICE Perform the predelivery service in the order indicated by the letters Always follow the order as shown 16 ...

Страница 23: ...ive and negative terminals being disconnected Open circuit voltage 12 8 V or higher Charging time Charging is not necessary W D D Do not attempt boost charging under any circumstances D D Battery electrolyte is poisonous and dangerous causing severe burns etc It contains sulfuric acid Avoid contact with skin eyes or clothing Antidote External Flush with water Internal Drink large quantities of wat...

Страница 24: ...he coolant If water is used instead of coolant check and correct the antifreeze concentration of the coolant D D Use only distilled water Soft water may be used if distilled water is not available 3 Start the engine warm it up for several minutes and then turn it off 4 Check Dcoolant level NOTE Before checking the coolant level wait a few minutes until it settles a Slide back the rubber cover b Lo...

Страница 25: ...m is not properly bled 1 Remove Ddiaphragm Dprotector rear brake NOTE D Be careful not to spill any brake fluid or allow the brake master cylinder reser voir to overflow D When bleeding the hydraulic brake system make sure that there is always enough brake fluid before applying the brake Ignoring this precaution could allow air to enter the hydraulic brake system considerably lengthening the bleed...

Страница 26: ... ADJUSTING THE REAR BRAKE 1 Measure Dbrake pedal position distance a from the top of the rider footrest to the top of the brake pedal Out of specification Adjust Brake pedal position above the top of the rider footrest 5 mm 0 20 in 2 Adjust Dbrake pedal position a Loosen the locknut 1 b Turn the adjusting nut 2 in direction a or b until the specified brake pedal position is obtained Direction a Br...

Страница 27: ... At 5mC 40mF or higher A Yamalube 4 20W 40 or SAE 20W 40 type SG motor oil Non Friction modified At 15mC 60mF or lower B Yamalube 4 10W 30 or SAE 10W 30 type SG motor oil Non Friction modified or Yamalube 4 R 15W 50 Non Friction modified W D D Do not add any chemical additives or use oils with a grade of CD a or higher D D Do not use oils labeled ENERGY CONSERVING II b or higher Engine oil also lu...

Страница 28: ... and other vital parts and one that is too loose can skip and damage the swingarm or cause an accident Therefore keep the drive chain slack within the specified limits 1 Stand the machine on a level surface W Securely support the machine so that there is no danger of it falling over NOTE Both wheels should be on the ground without a rider on the machine 2 Rotate the rear wheel several times 3 Meas...

Страница 29: ...rn the adjusting screw 3 in direc tion a or b Direction a Rebound damping is increased suspension is harder Direction b Rebound damping is decreased suspension is softer Adjusting positions Standard 7 clicks out Minimum 20 clicks out Maximum 0 clicks out from the fully turned in position Compression damping NOTE This is the position which is back by the specific number of clicks from the fully tur...

Страница 30: ...er Adjusting positions Standard 9 clicks out Minimum 20 clicks out Maximum 0 clicks out from the fully turned in position Compression damping CAUTION Never go beyond the maximum or mini mum adjustment positions 1 Remove Drubber cap 2 Adjust Dcompression damping a Turn the adjusting screw 2 in direc tion a or b Direction a Compression damping is increased suspension is harder Direction b Compressio...

Страница 31: ... with a research octane number of 95 or higher Fuel tank capacity 10L 2 2 lmp gal 2 64 US gal Valve clearance cold IN 0 10 0 15 mm 0 0039 0 0059 in EX 0 17 0 22 mm 0 0067 0 0087 in Tire air pressure Front 100 kPa 1 0kgf cm2 15 psi measured on cold tires Rear 100 kPa 1 0kgf cm2 15 psi EAA10100 STANDARD EQUIPMENT Owner s service manual X 1 25 EAA10200 OWNER S TOOL KIT Nipple wrench X 1 Spark plug wr...

Страница 32: ...ting bolt M 6x1 0 6 0 6 4 3 Brake lever mounting nut M 6x1 0 6 0 6 4 3 Brake lever position locknut M 6x1 0 5 0 5 3 6 Cable guide front brake hose and guide stay M 5x0 8 4 0 4 2 9 Front brake hose union bolt master cylinder M10x1 25 30 3 0 22 Front brake hose union bolt caliper M10x1 25 30 3 0 22 Front brake caliper and front fork M 8x1 25 23 2 3 17 Brake caliper front and rear and pad pin plug M1...

Страница 33: ...1 25 32 3 2 23 Rear frame and frame lower M 8x1 25 29 2 9 21 Swingarm and brake hose holder M 5x0 8 1 0 1 0 7 Swingarm and patch M 4x0 7 2 0 2 1 4 Drive chain tensioner mounting upper M 8x1 25 19 1 9 13 Drive chain tensioner mounting lower M 8x1 25 20 2 0 14 Chain support and swingarm M 6x1 0 7 0 7 5 1 Seal guard and swingarm M 5x0 8 6 0 6 4 3 Fuel tank mounting M 6x1 0 10 1 0 7 2 Fuel tank and fu...

Страница 34: ...PRINTED IN U S A ...

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