Fuel System
4-28
2st X18E2 2012
GB
11) Installing Carburetor
1. Reverse carburetor removing steps to install.
aa
10) Adjusting Float Height
1. Measure float height as shown, and replace float if out of
specification.
Float Height a :
14.5 ± 1mm (0.571 ± 0.039in)
Do not adjust float height by knotting the
fishing line, etc. It promotes wear of the
needle valve and can cause malfunction of
the engine.
2. Install drain screw, float chamber 1 and cover 2.
Float height can not be adjusted.If float height is
out of specification, replace float valve or float.
Low float height will cause lean-burn, and high
float height will cause rich-burn.
When attaching the carburetor to power head,
insert the choke lever 1 into the choke rod’s
groove a.
MX18EFSch04120622.qxd12.6.222:08PM ページ28
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