Brakes
BRAKES
Specification Desc./Quantity
Front brake Disc brake (Ø 175 mm) with hydraulic control (lever on the
handlebar right end).
Rear brake Ø 110 mm drum brake with mechanically controlled expansion
shoes (lever on the handlebar left end)
Secondary air
•
The SAS (Secondary air housing) op-
erating principle for 50 4T engines is
similar to that for 50 2T engines; the
only difference lies in how air is sucked
in the external and the external side of
the transmission compartment.
•
Air is taken in along tube «A» (to the
cylinder side) and, after been cleaned
through the filter «B», gets into the reed
valve «C» to be directed towards the
head through a flexible pipe and then a
rigid one «D» flanged to the head. In
this way, the air reaches the discharge
pipe to increase the amount of oxygen
in the unburned gases before the cat-
alytic converter, thus helping a better
reaction of this device.
Carburettor
KEHIN CARBURETTOR
Specification
Desc./Quantity
Code CVK 20
Throttle valve diameter Ø 20.5 mm
Diffuser diameter Ø 19 mm
Body stamping ADA
Maximum jet 75
Tapered pin stamping 4REEG
Minimum jet 35
Starter nozzle 45
Type vacuum
Starter nozzle code 6ZC
Notches from the top the rod has no notches
Gasoline inlet hole Ø 1.6 mm
Starter piston protrusion 11 mm at 24°C
Characteristics MSS ZIP 100 4T
CHAR - 10
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