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traildog1

Hard starting 650L

5 posts in this topic

I have a 93 650L that has been hard starting. Seemed to be worse when cold. Some investigation revealed that there is no spark while cranking. It wil spark when the starter button is first pressed and again as it is let go but not while cranking. What's up with that? Any ideas?

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Thanks for the suggestions guys. Turns out a tight exh valve was the culprit for the hard starting. I'm still baffled about the spark think though. Could that be a built in thing so you can't overrun the starter by blipping the throttle while it's cranking? Just a thought but it sounds good.

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