• 2 Stroke Husqvarna Motorcycles Made In Italy - About 1989 to 2014
     WR = 2st Enduro & CR = 2st 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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250-500cc Throttle cable or carb?

firecrotch

firecrotch

Husqvarna
Pro Class
Had a strange thing just happen. Throttle cable acts normal. But when starting bike it immediately goes wide open. Its like huh? Is there something in the carb going goofy or something with cable?
 
Can you hear the throttle block in the CARB slamming shut when you twist and release the throttle?
 
IF the cable, slide moves normally you probably have an AIR LEAK somewhere, or its not getting enough gas so I'd check these>(low on gas, kinked gas line, clogged petcock, too low float height, clogged jet). Can't think of anything else it might be.
 
Yes i can hear throttle slide do its normal "thunk" when bikes not running. But when running it goes full open. I did however have to do trailside repair of some clogged dirt in it one ride ago. BUT it was fine right after that. Till now.
 
firecrotch said:
Yes i can hear throttle slide do its normal "thunk" when bikes not running. But when running it goes full open. I did however have to do trailside repair of some clogged dirt in it one ride ago. BUT it was fine right after that. Till now.
Click to expand...

Probably that stuff ColemanApp was asking about ... A good CARB cleaning might be the fix if all else looks OK on the bike ...
 
ray_ray said:
Probably that stuff ColemanApp was asking about ... A good CARB cleaning might be the fix if all else looks OK on the bike ...
Click to expand...
I canlook at that but I am curious about is when bike was running I remember now that throttle tube wouldnt move. It would phisically be unmovable and wide open. Confuses me.
 
firecrotch said:
I canlook at that but I am curious about is when bike was running I remember now that throttle tube wouldnt move. It would phisically be unmovable and wide open. Confuses me.
Click to expand...

You're gonna have to take that tube off also and investigate .. :)
 
might get the throttle cable kinked by the tank placement? I once had some quick half throttle actoin on left turns when that tank deal happened, scary.
Then there was the faulty pop start on the driveway incident when barkbusters and throttle grip were rubbing causing sticky throttle.
 
colemanapp said:
might get the throttle cable kinked by the tank placement? I once had some quick half throttle actoin on left turns when that tank deal happened, scary.
Then there was the faulty pop start on the driveway incident when barkbusters and throttle grip were rubbing causing sticky throttle.
Click to expand...
Jeez i wonder if thats it. I bought a new bolt for the ims tank cus i was so sick of it coming loose because the bolt barely reaches the frame. I cranked the bolt down this time too.
 
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