• 4 Stroke Husqvarna Motorcycles Made In Italy - About 1989 to 2014
     TE = 4st Enduro & TC = 4st Cross

  • Hi everyone,

    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

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    Over the past couple of weeks, I’ve been working to migrate the site to a free cloud compute instance so that Woodschick and Dirtdame no longer have to fund it. At the same time, I’ve updated the site to a current version of XenForo (the discussion software it runs on). The previous version was outdated and no longer supported.

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    Thanks for your patience and support!

help me!! lost compression!!?:(

superneil21

superneil21

Husqvarna
AA Class
Ok i was going down the road on my 2006 TC250 in 4th gear mid throttle and the motor quit, locking up the rear tire. I was only able to bump start it. Wont kick start. it feels like it has half the power. And an odd new sound. Plus the clutch feels toast it wants to go with the clutch engaged. Before all this happed i put in gas that i know now had some water in it could be the culpret? Or did i go to far in between oil changes?
 
what ever you do... don't run the engine anymore until you determine what is wrong.. you could make things much worse as in $$$
 
Sounds almost like a timing chain skipped a tooth, unless autos are different from bikes. I would call the local shop and ask some questions. But really, don't try and start it untill you get some kind of clue as to what it really could be.
 
have you run both a dry compression test and also what is referred to as a "wet' compression test (where you squirt a little bit of oil into the sparkplug hole before you run the test)?

If the motor shows low compression during the dry test, but more compression during the wet test, it's probably the rings. If it doesn't change all that much, then the valves are probably the main culprit.:thinking:
 
The part about the engine quiting in 4th gear and locking up the rear tire does not sound good.

to start, pull spark plug, examine.

with bike on a stand and spark plug out slowly turn over the engine by putting it in gear and turning the rear tire by hand.. listen for unusual sounds and determine if there is any abnormal resistance. If resistance is felt, take out of gear and slowly turn the engine over with the kick start checking for unusual noise and resistance. DO NOT FORCE the motor to turn over if it doesn't want to turn...

drain oil and remove oil filters while checking for odd debris in both


those are a few starters
 
the valves are fine,
its the piston and cylinder that are messed up
so would it be cheaper to buy the 300 kit from motosport or find a piston somewhere? and have a local shop do the cylinder?
 
It depends on how bad the cylinder is damaged. But now is certainly the time for the 300 kit! You definitely want to inspect the connecting rod for damage. Good Luck. TW
 
TripleW;21325 said:
It depends on how bad the cylinder is damaged. But now is certainly the time for the 300 kit! You definitely want to inspect the connecting rod for damage. Good Luck. TW
Click to expand...
+1 I'm not sure I trust the rod again after that, unless there is a way to accurately verify it is still in spec.
 
superneil21;21224 said:
the valves are fine,
its the piston and cylinder that are messed up
so would it be cheaper to buy the 300 kit from motosport or find a piston somewhere? and have a local shop do the cylinder?
Click to expand...

I would buy an igloo cooler and UPS the engine to a suitable mechanic but yes now would be the time for a 310 kit.
 
Yeah the piston is toast but i need a place to send the cylinder.
Any suggestions would be awesome because its almost spring!!:)
 
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