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Inspecting The Valve And Needle - Derbi GP1 125-250 c.c. Workshop Manual

Gp1 125-250 c.c..
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- Check that the pickup pump control rocker is free from ab-
normal wear.
- Check that the rocker travel end screw protrudes by 3.2
mm.
- Check that the rocker return spring is not slackened.
- Pre-assemble the spring and the rocker as shown in the
figure.
- Install the rocker on the carburettor keeping the throttle
valve open.
- Tighten the rocker fixing screw.
- Make sure that the gear works properly.
I
I
NSPECTING THE VALVE AND NEEDLE
NSPECTING THE VALVE AND NEEDLE
KEHIN
- Check that the vacuum valve conical pin is free from wear.
- Check that the vacuum valve exhibits no scratches on the
outside surfaces.
- Check that the vacuum feeding hole is not clogged.
- Check that the membrane is not broken or hardened, if not
so, replace the entire valve.
- Insert the conical pin into the vacuum valve seat.
- Replace the vacuum gas valve on the carburettor body be-
ing careful to insert the pin into the spray nozzle.
N.B.
THE VALVE CAN BE INSERTED IN A SINGLE POSITION ONLY.
166

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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