Maintenance

Adjustment of the valve clearance

Note: unless the user has professional maintenance tools and maintenance skills, adjustment of the valve clearance should by YILONG franchised dealer help maintain


The size of the valve clearance of engine performance of various aspects of the enormous influence:
Gap is too small, engine in one-dimenion thermal expansion under due to the valve stem may cause valve leakage, cause power decrease, even burn out valve, The large clearance, transmission parts and between valve and valve seat collision between easy to produce and also make the valve open duration reduced, intake and exhaust not fully, also can directly affect the normal work.

Usually, use 1 year or 300 hours later, must on the engine of the valve clearance inspections and adjustment. Valve clearance must in cooler condition and the valve in a fully closed condition can adjust piston cylinder combustion chamber, is placed BDC, flywheel magnets and ignition positive relative positions for positive point is. Will HouBoGui insertion radial and valve clearance, the clearance of follower measurements.
Valve clearance inlet: 0.10 ~ 0.15 mm
The exhaust valve: 0.15 ~ 0.20 mm

ISO9001
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