4 - ENGINE
94
TIE A PIECE OF WIRE TO THE
TIMING CHAIN TO PREVENT
IT FROM DROPPING INTO THE
ENGINE.
11. Remove:
- The 2 locking pins (17).
- The 8 bolts (18) from the camshaft bridge (loosen them
by following a cross pattern).
- The camshaft bridge (19).
- The inlet camshaft (20).
- The exhaust camshaft (21).
THE INLET CAMSHAFT BEARS
THE INSCRIPTION “A”.
THE EXHAUST CAMSHAFT
BEARS THE INSCRIPTION “S”
12. Remove:
- The 2 M6 bolts (22) securing the cylinder head to the
cylinder.
- The 4 M8 bolts (23) securing the cylinder head to the
cylinder.
- The cylinder head (24).
13. Remove:
- The cylinder head gasket (25). (Renew on refitting).
- The mobile timing chain roller (26).
- The coolant pipe (27).
- The cylinder (28).
- The cylinder bottom gasket (29). (Renew on refitting).
17
18
19
21
20
22
23
23
24
25
26
27
29
28
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 ...