Cylinder Distortion; Cam Chain Tension Adjuster; Cam Chain Guide - Suzuki FL125S Service Manual

3-37 ENGINE
CAM CHAIN TENSIONER
• Install the cam chain tensioner 1 and washer 2.
• Tighten the cam chain tensioner bolt 3 to the specified
torque.
" Cam chain tensioner bolt: 10 N·m (1.0 kgf-m)

CYLINDER DISTORTION

Check the gasketed surface of the cylinder for distortion with a
straightedge and thickness gauge, taking a clearance reading at
several places as indicated. If the largest reading at any position
of the straightedge exceeds the limit, replace the cylinder.
% Cylinder distortion:
Service Limit: 0.05 mm
& 09900-20803: Thickness gauge
CYLINDER BORE
Inspect the cylinder wall for any scratches, nicks or other dam-
age.
Measure the cylinder bore diameter at six places.
% Cylinder bore:
Service Limit: 53.635 mm
& 09900-20530: Cylinder bore gauge set

CAM CHAIN TENSION ADJUSTER

INSPECTION
Check the push rod movement. If the push rod is stuck or spring
mechanism fails, replace the cam chain tension adjuster with a
new one.

CAM CHAIN GUIDE

INSPECTION
Check the cam chain guide for wear or damage. If any defects
are found, replace the cam chain guide with a new one.