Starter Decompressor - Honda XR250R Owner's Manual

STARTER DECOMPRESSOR

Excessive decompressor lever free plan will
cause hard starting, and insufficient free play
may cause erratic idling and valve burning.
CAUTION:
Adjustment must be made for both manual
and kickstarter decompressor.
NOTE:
Adjust the decompressor
adjusting the valve clearance.
1. Loosen the manual decompressor lock
nut (1) and the manual decompressor
adjusting nut (2).
2. Disconnect the manual decompressor
cable (3) at the decompressor valve lifter
lever (4).
3. 3. Be sure the piston is at the top of the
compression stroke and the T mark is
aligned with the index mark.
linkage after
4. Measure the tree play at the tip of the
decompression lifter lever. To adjust, loosen
the lock nut (5) and turn the adjusting nut (6).
Free play: 1-3 mm (1/32-1/8 in)
5. Install all parts in the reverse order of
disassembly.
6. Connect the manual decompressor cable to
the lifter lever.
(1) Decompressor lock nut
(2) Decompressor adjusting nut (5) Lock nut
(3) Manual decompressor cable (6) Adjusting nut
(A) Increase freeplay
(4) Lifter lever
(B) Decrease free play
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