NB: These instructions are given for guidance only and cannot engage the author's liability in the event of misinterpretation, failure to assess the vehicle's actual condition and/or non-conformity, unsuitable mechanical practice or the use of inappropriate tools.
DIY # 2
Basic
carbs checking - Laverda 750, 1000 and 1200
NB: This sheet concerns the basic process. To get the correct carburation setting, go to the carburation page
CHECKING THE CARBS::
-
Float state: No cracks, truns freely around his axle
- Float needle: Perfect
state, replace if necessary
- Float height: Put the carb in a vertical position,
the float in place on the float needle, the heigh must be 18mm beetween the top
of the float and the float bowl gasket
- Throttle slides: Not worn or used,
no scratches. In extrem cases, we have seen some cracked slides, the small parts
being aspired in the engine! The worn cause
is due more to the lateral forces
of breathing than to the up/down acceleration movements. Check the correct model,
60/2, sometimes 70/1 for the 1000/1200.
- Choke plungers. No scratches, very
clean. You can clean them with a metal polish but you need to replace them if
they are worn. Slightly lube them.
- Needle/needle jets: No scratches with
a magnifier. Don't hesiate to chenge them. Check the right model, K1 or K14 for
instance.
- Jets: Check the values
- Replace all the seals and gaskets
and also the seals of the inlet stubs, fit Viton ones. If fitted, check
the thermic spacers state.
- Check the pumps (if fitted), change the membranes (included in the gaskets kit)
- Clean the carbs in a special carb cleaner or better in an ultrasonic system.
- If the carbs are worn, no other way than replace tehm by new ones.
| The choke plungers should be cleaned and polished | Throttle slides must be in perfect state | Balancing the carbs |
To balance the carbs.