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Oil Pressure Check; Crankshaft Oil Seals - Derbi GP1 125-250 c.c. Workshop Manual

Gp1 125-250 c.c..
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Table of Contents
O
O
IL PRESSURE CHECK
SSU
C
C
- After removing the flywheel cover as explained in the
Flywheel chapter, disconnect the minimum oil pressure swit-
ch electric connection and remove the switch.
- With engine at 1,650 rpm, and with oil at a temperature
of ~90°C, check that oil pressure ranges between 0.5 -1.2
atm.
- With engine at 6000 rpm, and with oil at a temperature
of~90°C, check that oil pressure ranges between 3.2 - 4.2
atm.
- After the check, remove the specific tools mounted on the
engine, replace the oil pressure switch and the washer and
lock at the prescribed tightening torque, then install the
flywheel cover.
- In case of non-conforming pressure, check the oil filter, the
by-pass, the oil pump and the seals on the driving shaft in a
sequence.
N.B.
THE CHECK MUST BE CARRIED OUT WITH OIL AT THE CO-
RRECT LEVEL AND WITH AN OIL FILTER IN GOOD CONDI-
TIONS.
Characteristics
Oil pressure
Minimum admissible pressure at 6.000 rpm: 3.2 atm.
Locking torques (N*m)
Minimum oil pressure sensor 12÷14
C
C
RANKSHAFT OIL SEALS
RANKSHAFT OIL SEALS
REMOVAL
- Remove the transmission cover and complete driving pulley
beforehand.
140

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Gp1 125 c.c.Gp1 250 c.c.

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  • LIAM May 27, 2017 06:12:
    HI HAVE JUST BOUGHT A DERBI 125 CC CROSS CITY, REALLY WOULD LIKE TO BUY A WORKSHOP MANUAL PLEASE CAN YOU HELP