Braaap ST-160, Owner'S Manual

Page: 59 / 84

1. Loosen the locking nut.
2. Rotate the adjuster to make the wire clearance
between 0.5 - 1.0mm.
3. After clearance adjustment, re-tighten the locking
nut.
Caution
After the accelerator wire has been adjusted,
check the operation of the accelerator grip. The
engine idle speed should not increase as a result of
this adjustment, and the grip should return to the
closed position automatically.
Adjusting the Valve Clearance
The valve clearance should be checked and adjusted
while the engine is cool.
1. Remove the fan guard and cylinder
2. Turn the magneto rotor counter clockwise to
align the marker T on the rotor with the vertical
line projected on the right case cover. Make sure
that the position is on the top of the compression
stroke.
3. Insert a clearance gauge between the adjustment
screw and valve stem to ensure a proper clearance
of the exhaust valve.
4. The standard valve clearances are
• Intake valve clearance: 0.04-0.05 mm
• Exhaust valve clearance: 0.05-0.06 mm
5. To obtain a proper valve clearance, loosen the
adjustment nut and then turn the mating screw.
Turn the adjustment nut after the adjustment has
been completed and measure the clearance until it
meets the above criteria.
59
braaap Motorcycles /
ST-160 / ST-250 Owner Manual
8. Maintenance