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MAINTENANCE WORK ON CHASSIS AND ENGINE »
Draining the float chamber of the carburetor
Following every wet cleaning procedure, the float chamber of the carburetor
should be drained in order to remove any water that may have penetrated into
it. Water in the float chamber causes malfunctioning. Perform this task on a
cold engine.
Close the fuel tap and put one end of the hose [1] into a collecting vessel.
Open the drain plug [2] (turning it counterclockwise) by serval turns, and drain
the fuel from the float chamber. Then, retighten the drain plug and open the
fuel tap.
– FUEL IS EASILY FLAMMABLE AND TOXIC. WHEN HANDLING FUEL, BE SURE
TO EXERCISE THE UTMOST CAUTION. NEVER PERFORM ANY WORK ON THE
FUEL SYSTEM NEAR OPEN FLAMES OR BURNING CIGARETTES.
– ALWAYS ALLOW THE ENGINE TO COOL OFF FIRST. IMMEDIATELY CLEAN UP
ANY FUEL WHICH MAY HAVE BEEN SPILLED. MATERIALS SATURATED WITH
FUEL ARE ALSO EASILY FLAMMABLE. IN CASE YOU INGESTED FUEL OR FUEL
SPLASHED INTO YOUR EYES, CONSULT A DOCTOR IMMEDIATELY.
– DISPOSE OF THE FUEL PROPERLY.
Oil circuit
Via the long oil screen [4], the oil pump [3] draws engine oil from the oil sump
of the transmission. This engine oil flows through an oil line [5] into the cylin-
der head for camshaft lubrication [6]; the oil quantity is controlled by the jet
screw [7]. An oil duct branches off to the long oil filter [8] where the coarser
particles contained in the engine oil are filtered away. Then, the engine oil
arrives at the short oil filter [9] which also filters the fine particles. Now, the
purified engine oil is pumped past the bypass valve [10] to the conrod bear-
ing [11] and sprayed from below onto the piston through a nozzle [12].
The second oil pump [13] draws the engine oil via the short oil screen [14]
out of the crankcase, thereby lubricating the transmission gears [15].
Checking the engine oil level
The engine oil level can be checked with the engine either warm or cold. Place
the motorcycle in an upright position and on a horizontal surface (not on the
side stand).
If the engine is cold, the engine oil must be visible at the lower edge of the
inspection glass [A].
If the engine is warm, the engine oil must be visible up to the upper edge of
the inspection glass [B].
Replenish the engine oil, if necessary.
INSUFFICIENT AMOUNTS OF OR LOW-GRADE ENGINE OIL LEAD TO PREMATURE
WEAR IN THE ENGINE.
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B
A
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