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Blowers · part-number series 4241

BG 86, BG 86 C

12 exploded views, 209 part numbers.

Factory tuning settings

Idle speed2,500 rpm
Max speed7,200 rpm
Confidencesourced

Set the final mixture by ear and tachometer against the machine in front of you — running a two-stroke lean to hit a published number is how pistons get scored.

Others on part-number series 4241

These share the powerhead, so a sheet you cannot find here may be filed under one of them. That does not make every part interchangeable — check yours.

Parts are not interchangeable across series — check yours before ordering.