Timing Sprocket Inspection - Honda TRX70 Fourtrax 1986 Service Manual

Measure the side clearance at the connecting rod big end with
a feeler gauge.
i. .. ., '"
SERVICE LIMIT: 0.6 mm (0.02
Inl
Measure the radial clearance at the connecting rod big end, at
two points in the direction indicated by the arrows.
SERVICE UMIT: 0.05 mm (0.002 Inl
Tum the outer race of each bearing with your finger. The bear·
ings should turn smoothly and quietly . Also check that the
bearing inner face fits tightly on the crankshaft.
Remove and discard the bearings if the races do not turn
smoothly, quietly. or if they fit loosely on the crankshaft.
NOTE
• Replace crankshaft bearings in pairs.
TIMING SPROCKET INSPECTION
Inspect the timing sprocket teeth for wear or damage. Replace
if
necessary.
Install the sprocket so that the valley between any two teeth is
aligned with the center line of the keyway .
Use the special tools to install :
TOOLS:
Driver,
22 mm 1.0.
Attachment.
20
mm 1.0.
07746-0020100
07746-0020400
TRANSMISSION/CRANKSHAFT
( 11 FEELERl
GAUGE
10-3