4.6.2 CHANGING JETS
Flat Screwdriver
22mm Fixed Wrench
Wrong carburation set up could cause sever engine
damage.
1. Take the intake silencer off the carburettor by unscrewing the
clamp.
2. Disconnect the throttle cable from the carburettor together
with the spring and the guillotine slide.
3. Take the carburettor off the engine and open the floating
chamber by unscrewing the special cap in the middle of the
chamber. Clean the parts, openings and passages with
compressed air.
4. Unscrew the main jet by means of a flat plier. Replace it with
another calibrated differently. Be careful, the washer must be
installed in one position only. A wrong assembly may cause the
carburettor complete malfunction.
5. Check the plug gasket of the floating chamber is still intact and if damaged, replace it.
6. Close the floating chamber by securing the special cap and mount the carburettor on the
engine.
7. Clean the inside of the intake silencer.
8. Mount the intake silencer on the carburettor flange.
9. Tighten it with the specific clamp.
Wrong carburettor assembling may cause engine malfunction and damage.
Wrong assembly will cause the loss of the intake silencer.
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