Drive Chain Sliders; Drive Chain Rollers; Driven Sprocket - Honda CR250R 2004 Owner's Manual

DRIVE CHAIN SLIDERS

1. Check the chain slider for wear.
If the wear is 3/16 in (5 mm) or more, replace it.
1
(1) CHAIN SLIDER
2. Check the chain guide slider for wear.
Replace the guide slider if the chain is visible through
the wear inspection window.
2
1
(1) CHAIN GUIDE SLIDER
(2) INSPECTION WINDOW

DRIVE CHAIN ROLLERS

Check the drive chain rollers for wear. Replace them
if they are smaller than the service limits.
SERVICE LIMITS:
UPPER ROLLER: 1 in (25 mm)
LOWER ROLLER: 1.5 in (39 mm)
(1) DRIVE CHAIN ROLLERS
NOTE:
•
When replacing the drive chain rollers, carefully
install the upper roller and the lower rollers to avoid
the wrong installation.
•
If the lower drive chain roller was removed, install
it with its "➝" mark side facing out.
1
2
(1) UPPER ROLLER (3) "➝"MARK
(2) LOWER ROLLER

DRIVEN SPROCKET

Check the driven sprocket torque values after each
race.
TORQUE: 24 lbf ft (32 N
•
3
m, 3.3 kgf m)
• •
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