
ENGINE
4-27
◎
After honing has been completed, inspect cylinder for
thinning or peeling.
IMPORTANT: Clean the Cylinder After Honing
It is very important that the cylinder be thoroughly cleaned
after honing to remove all grit material. Wash the cylinder in a
solvent, then in hot, soapy water. Use electrical contact cleaner
if necessary to clean these areas. Rinse thoroughly, dry with
compressed air, and oil the bore immediately with 4 Cycle
Lubricant to prevent the formation of surface rust. If cylinder
wearing or damage is excessive, it will be necessary to replace
the cylinder. Hone only enough to deglaze the outer layer of
the cylinder bore.
PISTON INSPECTION
1. Measure piston outside diameter at a point 7mm up from the
bottom of the piston at a right angle to the direction of the
piston pin.
2. Subtract this measurement from the maximum cylinder
measurement obtained earlier.
PISTON TO CYLINDER CLEARANCE
Std: 0.02-0.05 mm
Service Limit: 0.1 mm
3. Measure piston pin bore. Replace piston if out of round.
4. Measure piston pin O.D. Replace piston pin if out of round.
Summary of Contents for AT56-69E
Page 35: ...MAINTENANCE 2 25 ...
Page 45: ...CVT SYSTEM 3 4 CVT EXPLODED VIEW ...
Page 56: ...ENGINE 4 3 ENGINE ILLUSTRATION ENGINE EXPLODED VIEW ...
Page 57: ...ENGINE 4 4 ...
Page 58: ...ENGINE 4 5 COOLING SYSTEM EXPLODED VIEW ...
Page 59: ...ENGINE 4 6 OIL FLOW DIAGRAM ...
Page 125: ...FUEL AND CARBURETOR 6 15 FUEL TANK SYSTEM ...
Page 135: ...BODY SUSPENSION STEERING 7 6 SUSPENSION ...
Page 142: ...BODY SUSPENSION STEERING 7 13 STEERING ...
Page 151: ...BRAKES 8 6 FRONT BRAKE EXPLODED VIEW MASTER CYLINDER ...
Page 196: ...ELECTRICAL 9 31 WIRE DIAGRAM ...