Blowers · part-number series 4241
BG 66, BG 66 C
11 exploded views, 193 part numbers.
Factory tuning settings
| Idle speed | 2,500 rpm |
| Max speed | 5,800 rpm |
| Confidence | sourced |
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.