EasyManuals Logo

Yamaha YZ250F 2008 Service Manual

Yamaha YZ250F 2008
192 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #115 background imageLoading...
Page #115 background image
4-46
KICK SHAFT AND SHIFT SHAFT
REMOVING THE KICK SHAFT
ASSEMBLY
1. Remove:
Kick shaft assembly "1"
Unhook the torsion spring "2" from
the hole "a" in the crankcase.
REMOVING THE SHIFT GUIDE
AND SHIFT LEVER ASSEMBLY
1. Remove:
Bolt (shift guide)
Shift guide "1"
Shift lever assembly "2"
The shift lever assembly is disassem-
bled at the same time as the shift
guide.
REMOVING THE SEGMENT
1. Remove:
Bolt (segment) "1"
Segment "2"
Turn the segment counterclockwise
until it stops and loosen the bolt.
If the segment gets an impact, it
may be damaged. Take care not to
give an impact to the segment
when removing the bolt.
CHECKING THE KICK SHAFT AND
RATCHET WHEEL
1. Check:
Ratchet wheel "1" smooth move-
ment
Unsmooth movement
Replace.
Kick shaft "2"
Wear/damage Replace.
Spring "3"
Broken Replace.
CHECKING THE KICK GEAR, KICK
IDLE GEAR AND RATCHET
WHEEL
1. Inspect:
Kick gear "1"
Kick idle gear "2"
Ratchet wheel "3"
Gear teeth "a"
Ratchet teeth "b"
Wear/damage
Replace.
CHECKING THE SHIFT SHAFT
1. Inspect:
Shift shaft "1"
Bend/damage
Replace.
Spring "2"
Broken Replace.
CHECKING THE SHIFT GUIDE AND
SHIFT LEVER ASSEMBLY
1. Inspect:
Shift guide "1"
Shift lever "2"
•Pawl "3"
Pawl pin "4"
Spring "5"
Wear/damage
Replace.
CHECKING THE STOPPER LEVER
1. Inspect:
Stopper lever "1"
Wear/damage
Replace.
Torsion spring "2"
Broken Replace.
INSTALLING THE SEGMENT
1. Install:
Segment "1"
Bolt (segment)
Align the notch "a" on the segment
with the pin "b" on the shift cam.
If the segment gets an impact, it
may be damaged. Take care not to
give an impact to the segment
when tightening the bolt.
INSTALLING THE STOPPER
LEVER
1. Install:
Torsion spring "1"
Stopper lever "2"
Bolt (stopper lever) "3"
Align the stopper lever roller with the
slot on segment.
Bolt (segment):
30 Nm (3.0 m•kg, 22
ft•lb)
Bolt (stopper lever):
10 Nm (1.0 m•kg, 7.2
ft•lb)

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Yamaha YZ250F 2008 and is the answer not in the manual?

Yamaha YZ250F 2008 Specifications

General IconGeneral
Displacement250cc
Bore x Stroke77.0 x 53.6mm
Compression Ratio13.5:1
IgnitionCDI
Transmission5-speed
Final DriveChain
Front Tire80/100-21
Rear Tire100/90-19
Engine TypeLiquid-cooled, DOHC, 4-stroke
Fuel DeliveryCarburetor
Front Suspension48mm inverted fork, fully adjustable
Rear Suspensionfully adjustable
Front BrakesSingle disc, 250mm
Rear BrakesHydraulic single disc

Related product manuals