Insert a thickness gauge [A] between the big end and either crank web to determine clearance.
Connecting Rod Big End Side Clearance
Standard: 0.13 
0.38 mm
(0.0051 
0.0150 in.)
Service Limit: 0.58 mm (0.023 in.)
If the clearance exceeds the service limit, replace the connecting rod with new one and then check clearance again.
If the clearance is too large after connecting rod replacement, the crankshaft also must be replaced.
Connecting Rod Twist Inspection
Connecting Rod Big End
Bearing Insert/Crankpin Wear InspectionCooling System Flushing
Over a period of time, the cooling system accumulates
rust, scale, and lime in the water jacket and radiator. When
this accumulation is suspected or observed, flush the cooling
system. If this accumulation is not removed, it will clog
up the water passage and considerable reduce the efficiency
...
Drive Chain Removal/Installation
NOTE
Since the drive chain is installed through the swingarm,
The chain can not be removed other than by cutting it.
Prepare the new link pin, link plate, grease seals, and
tools for rejoining the chain.
Remove:
Bolts [A]
Front Footpeg Bracket [B]
Remove:
Bolts [A]
Chain Cover [B]
...
Rocker Arm/Tie-Rod Bearing, Sleeve Inspection
NOTICE
Do not remove the bearings for inspection. Removal
may damage them.
Visually inspect the rocker arm, or tie-rod sleeves [A] and
needle bearings [B].
The rollers in a needle bearing normally wear very little,
and wear is difficult to measure. Instead of measuring,
inspect the ...