The problem of spark plug combustion
912/914发动机工作正常,但火花塞很黑,请问出现这种情况的原因,如何处理?
912/914发动机工作正常,但火花塞很黑,请问出现这种情况的原因,如何处理?
Re: The problem of spark plug combustion
by 王汉成 » 7 months ago
912发动机工作正常,但火花塞很黑,请问出现这种情况的原因,如何处理
Re: The problem of spark plug combustion
by 王汉成 » 7 months ago
912 engine works normally, but the spark plug is very black, may I ask the reason for this situation, how to deal with it
Re: The problem of spark plug combustion
by Roger Lee » 7 months ago
We need a lot more information. Could be idling too much? Do not sit at low rpms for any length of time. How old are the plugs? Is this a 912uls or a 912iS? What do the plugs look like if you run the engine around 4000 rpm for about 5 minutes. Shut it down and no idling before you check the plugs.
Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell
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