jianshe js400 / hensim hs400 valve clearance [Archive]

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Hayden223

11-30-2024, 06:00 PM

i have a 2007jianshe js400 atv (hensim 400 engine ) and cant find the specs on the valve clearance. Anyone know what it is ?
thanks!:thanks:

Hayden223

02-08-2025, 06:45 PM

for anyone else wondering...
well after a bunch of trial and error ive found the best clearance

INTAKE .002 - .004 (0.06MM - 0.10MM)

EXHAUST .006 - .008 (0.16MM - 0.20MM)