Piston/Piston Rings/Piston Pin
Piston Installation
1. Place clean shop towels over the crankcase
opening to keep the piston pin clips from
falling into the crankcase.
2. Apply molybdenum disulfide oil solution (a
mixture of 1/2 engine oil and 1/2
molybdenum disulfide grease (containing
more than 3% molybdenum disulfide
additive) to the connecting rod small end.
3. Install the piston (1) with the “IN” mark (2)
and/or the large valve recesses (3) facing the
intake side of the engine.
4. Apply clean engine oil to the piston pin (4).
Install the piston pin and new piston pin clips
(5).
Use new pin clips. Never reuse old clips.
Do not let the clips fall into the crankcase.
Do not align the piston pin clip end gap with the
piston cut-out.
NOTICE
(1) piston
(4) piston pin
(2) “IN” mark
(5) piston pin clip
(3) large valve recesses
(6) cut-out
Cylinder Installation
1. Place clean shop towels over the crankcase
opening to prevent dust or dirt from entire the
engine.
2. Clean off any gasket material from the gasket
surface of the crankcase.
3. Install the dowel pins (1) and new cylinder
gasket (2).
Do not let the dowel pins fall into the crankcase.
NOTICE
(1) dowel pins
(2) cylinder gasket
4. Clean the any gasket material off the cylinder.
(1)
(3)
(2)
(1)
(4)
(5)
(2)
(6)
(5)
(2)
(1)
78
Servicing Your Honda
Summary of Contents for CRF250X 2006
Page 1: ...2006 Honda CRF250X OWNER S MANUAL COMPETITION HANDBOOK ...
Page 10: ...6 Motorcycle Safety ...
Page 16: ...12 Before Riding ...
Page 26: ...22 Basic Operating Instructions ...
Page 150: ...146 Taking Care of Unexpected ...
Page 165: ...Technical Information 161 Wiring Diagram ...
Page 166: ...162 Technical Information ...
Page 177: ...Memo 173 ...
Page 178: ...174 Memo ...
Page 179: ...Memo 175 ...