7 - LUBRICATION SYSTEM
181
DESCRIPTION
- Lubrication is the semi-wet crankcase type.
- The oil is not contained in the front part of the crank-
case (1).
- The gearbox (2) is used as an oil tank.
- The pump (3) is driven by the clutch via an intermedia-
te gearing (4).
- The pump is fitted with two rotors made of sintered
material:
- One 13 mm thick rotor, for oil suction.
- One 8.5 mm thick rotor, for pumping.
THE OIL PUMP IS A DOUBLE
ROTOR PUMP WITH EACH
ROTOR PUMPING SEPARA-
TELY.
- The suction is from:
- The front of the crankcase (crankshaft housing).
- The rear of the crankcase (gearbox).
- Pumping is:
-To the oil filter (classic circuit).
- To the gearbox.
TO CHECK THE PUMP, SEE
THE INSPECTING ENGINE
ELEMENTS SECTION.
- (1) Crankshaft breather.
- (2) To the gearbox.
- (3) Suction from the gearbox.
- (4) To the filter, lubrication technical part.
1
4
3
2
7.2 - DESCRIPCION OF THE LUBRICATION SYSTEM
2
1
3
4
Right-hand
semi-crankcase
(without the pump).
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 ...