1985 Spree... Timing issue?

87spree70superbee · Post by **87spree70superbee** » Mon Jul 02, 2012 11:00 pm

Okay. See the video to see what I'm talking about. If anyone can help me solve this problem, it would be greatly appreciated. I have no idea what's wrong.

http://youtube.com/watch?v=1pGBdf6BszAE

-Nick

mousewheels · Post by **mousewheels** » Mon Jul 02, 2012 11:07 pm

Spark trigger coil alignment is preset, and has no adjustment. If the spark is off in timing a likely suspect is the flywheel to crank timing is off. A sheared or missing key can allow large timing mis-alignment from stock. Pull the flywheel and inspect, BTW good vid of the issue

Trafficjamz · Post by **Trafficjamz** » Tue Jul 03, 2012 3:48 am

the timing being off would not cause it to crank like that.

is there less resistance to ground at the starter motor when the kill switch is on?

87spree70superbee · Post by **87spree70superbee** » Tue Jul 03, 2012 9:55 am

mousewheels wrote:Spark trigger coil alignment is preset, and has no adjustment. If the spark is off in timing a likely suspect is the flywheel to crank timing is off. A sheared or missing key can allow large timing mis-alignment from stock. Pull the flywheel and inspect, BTW good vid of the issue

Okay, so... Remove the fan and the metal thing behind it? I'm still a

. Jeez, I have only had the bike for two weeks, an oil pump and who knows what now...

87spree70superbee · Post by **87spree70superbee** » Tue Jul 03, 2012 9:56 am

Trafficjamz wrote:the timing being off would not cause it to crank like that.

is there less resistance to ground at the starter motor when the kill switch is on?

How would I check for that? I have a multimeter...

Trafficjamz · Post by **Trafficjamz** » Tue Jul 03, 2012 10:41 am

87spree70superbee wrote:
Trafficjamz wrote:the timing being off would not cause it to crank like that.

is there less resistance to ground at the starter motor when the kill switch is on?

How would I check for that? I have a multimeter...

put the Multimeter setting on Ohms.

Put one lead on the batteries' negitive terminal and on on the starter motors' green wire.

It should read zero (or close to it) Flip the run/kill switch and repeat the test.

Dont try to remove the flywheel with out the proper tool.
This is not a timing issue.

swimmingfree · Post by **swimmingfree** » Tue Jul 03, 2012 11:13 am

did you or some one ever tack off the fly wheel???? it the thing with the fan on it..
swimmingfree

87spree70superbee · Post by **87spree70superbee** » Tue Jul 03, 2012 11:47 am

Trafficjamz wrote:
87spree70superbee wrote:
Trafficjamz wrote:the timing being off would not cause it to crank like that.

is there less resistance to ground at the starter motor when the kill switch is on?

How would I check for that? I have a multimeter...

put the Multimeter setting on Ohms.

Put one lead on the batteries' negitive terminal and on on the starter motors' green wire.

It should read zero (or close to it) Flip the run/kill switch and repeat the test.

Dont try to remove the flywheel with out the proper tool.
This is not a timing issue.

Alright. I'll try it later. Thanks for the help, and don't worry, I won't pull the flywheel.

87spree70superbee · Post by **87spree70superbee** » Tue Jul 03, 2012 11:49 am

swimmingfree wrote:did you or some one ever tack off the fly wheel???? it the thing with the fan on it..
swimmingfree

I pulled the fan off when I cleaned everything, never pulled the flywheel.

swimmingfree · Post by **swimmingfree** » Tue Jul 03, 2012 12:03 pm

im not saying that the other are wrong at all but there is a key way in the crank and fly wheel if its not in there it may be what going on ..
have you ever had it running????
swimmingfree

87spree70superbee · Post by **87spree70superbee** » Tue Jul 03, 2012 1:45 pm

swimmingfree wrote:im not saying that the other are wrong at all but there is a key way in the crank and fly wheel if its not in there it may be what going on ..
have you ever had it running????
swimmingfree

Yeah, I had it running, it actually ran when I bought it. Ran pretty well until last week. Then this started up. I'm going to save the flywheel pulling for last. I'll try everything else first, I don't want to f- with the flywheel, lol

swimmingfree · Post by **swimmingfree** » Tue Jul 03, 2012 1:47 pm

because it was running i wood try what the other said as well..
swimmingfree

Bear45-70 · Post by **Bear45-70** » Tue Jul 03, 2012 2:12 pm

That is a classic timing issue. I'm with mouse, flywheel key would be my first guess and if that it good, a bad CDI could cause this.

Definitely NOT a starter issue,

mousewheels · Post by **mousewheels** » Tue Jul 03, 2012 3:04 pm

Yeah, I had it running, it actually ran when I bought it. Ran pretty well until last week. Then this started up. I'm going to save the flywheel pulling for last. I'll try everything else first, I don't want to f- with the flywheel, lol

Def the way to go - rule out anything easy and starter ground is easy to check out.

Trafficjamz · Post by **Trafficjamz** » Wed Jul 04, 2012 1:08 am

Bear45-70 wrote:That is a classic timing issue. I'm with mouse, flywheel key would be my first guess and if that it good, a bad CDI could cause this.

Definitely NOT a starter issue,

why would a bent flywheel key make it stumble like that?

And why would having the kill switch on or off make a difference?

This is a two stroke , so valves are not opening or closing.

why would this not be a starter issue?

A bad ground to the starter would make it stumble

The kill switch being on could be making a better path to ground.

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1985 Spree... Timing issue?

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