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Forum: General Maintenance 09-14-2013, 09:39 PM
Replies: 29
Views: 6,686
Posted By JohnC
Re: Bike was sitting Now won't start

You may have just stuck rings. I agree, though, do a rough check on the valves first, then squirt a little oil in the plug hole and recheck the compression. If it comes up then you may just have...
Forum: General Maintenance 09-09-2013, 09:31 PM
Replies: 29
Views: 6,686
Posted By JohnC
Re: Bike was sitting Now won't start

There's a thread in the troubleshooting forum right now.

Lifters (actually, there aren't lifters in this engine, what you are adjusting is valve clearance) won't keep an engine from starting just...
Forum: General Maintenance 09-05-2013, 09:55 PM
Replies: 29
Views: 6,686
Posted By JohnC
Re: Bike was sitting Now won't start

Pull the hose off and see if it will run fine then. Maybe there is a restriction in the vacuum port that limits the amount of air drawn in. A restriction wouldn't significantly affect the operation...
Forum: General Maintenance 09-05-2013, 10:49 AM
Replies: 29
Views: 6,686
Posted By JohnC
Re: Bike was sitting Now won't start

It's not that simple, as I stated above. When the vacuum line is connected to the petcock, there is no air flowing through the vacuum port once the petcock opens. When the line is broken or...
Forum: General Maintenance 09-04-2013, 09:24 PM
Replies: 29
Views: 6,686
Posted By JohnC
Re: Bike was sitting Now won't start

Yes, if the vacuum line is missing or broken two things happen. First, the fuel won't flow in "on" or "reserve" and secondly, the engine will suck extra air in through the vacuum port, which is after...
Forum: General Maintenance 09-03-2013, 10:11 PM
Replies: 29
Views: 6,686
Posted By JohnC
Re: Bike was sitting Now won't start

Put it on prime for now to eliminate that as a possible issue. Be sure to turn it off prime when you're not trying to start it. Also, check the vacuum hose from the intake to the petcock. If it is...
Forum: General Maintenance 08-31-2013, 11:26 PM
Replies: 29
Views: 6,686
Posted By JohnC
Re: Bike was sitting Now won't start

Did you set the petcock to "PRI(me)"? Have you confirmed fuel is getting to the float bowl? Have you pulled the plug out to confirm it is firing? Is it wet with fuel?

The most common cause of a...
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