4 - ENGINE
140
51. Fit:
- The piston gudgeon pin securing circlips (77).
DO NOT RE-USE THE PISTON
GUDGEON PIN CIRCLIPS.
ALWAYS FIT NEW ONES.
52. Fit:
- The cylinder bottom gasket (78) (new gasket).
53. Lubricate:
- The internal surface of the cylinder with engine oil.
54. Pass:
- The timing chain (79) through the cylinder slot.
55. Fit:
- The cylinder (80).
DO NOT RE-USE THE CYLIN-
DER BOTTOM GASKET. ALWAYS
FIT A NEW ONE.
TO AID IN INSERTING THE PIS-
TON IN THE CYLINDER, USE A
PISTON RING COMPRESSOR.
LUBRICATE THE INTERNAL
SURFACE OF THE CYLINDER
WITH ENGINE OIL.
IF THE PISTON OR THE CYLIN-
DER HAS BEEN RENEWED
,
THE THICKNESS OF THE NEW
GASKET TO BE FITTED MUST BE
CALCULATED.
CAUTION
CAUTION
77
80
79
78
N.B.
N.B.
Summary of Contents for GPR 125 Racing
Page 1: ...WORKSHOP MANUAL GPR 125 4 stroke ...
Page 169: ...6 COOLING SYSTEM 169 6 1 DIAGRAM OF THE SYSTEM ...
Page 170: ...6 COOLING SYSTEM 170 ...
Page 179: ...7 LUBRICATION SYSTEM 179 7 1 DIAGRAM OF THE SYSTEM ...
Page 180: ...7 LUBRICATION SYSTEM 180 ...
Page 192: ...8 CHASSIS 192 FITTING FRONT SUSPENSION ...
Page 202: ...9 BRAKING SYSTEM 202 9 BRAKING SYSTEM FRONT BRAKE REAR BRAKE 203 211 9 1 9 2 ...
Page 247: ...Rev 0 2009 ...