Question about KTM 530 EXC-R Motorcycles
I have just bought a second hand 530 2010 exc, a dirt tricks tensioner was fitted before I picked the bike up, about 2 hrs into the first ride the bike stalled and there was no compression, just air back into the air box. pulled off the rocker cover and found the chain snapped .what could cause this to happen? is it possible to fit the tensioner incorrectly? or are there other reasons? Regards Russell.
Sounds like you could have bent/dropped a valve, causing cam shaft to seize and break the chain. Can you turn the cam shaft? Do the valves move properly?
Posted on Apr 01, 2014
Testimonial: "hi' I removed the head and discovered thet the piston lightly touched the exust valves and bend them slightly, so I will give the head to a mechanic. thanks hoptona,"
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Posted on Jan 02, 2017
SOURCE: CONVERT A YZ 250 INTO A WR 250
The YZ is a dirt bike as is. The WR is a street bike and has more accessories on it.
Posted on Mar 18, 2009
how are your intake and exhaust valves? are they set to specs? my racing quad use to do that. so i set the valves to spec and whala!!!!better than ever.
Posted on Mar 26, 2009
Here are a few things to do >>
How old is the gas in the gas tank? Get fresh fuel.
Remove the water trap bowl at the bottom of the petcock, (gas valve). Any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Clean the bowl and filter screen if present, then re-mount them, ( not all bikes have a water trap bowl or screen ).
Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.
Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the two screws on the outside throat of the carb and spray into the screw holes as well.
< < READ CLOSELY > >
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two screws down. Only screw these in until they LIGHTLY seat. Now turn each screw one and one half turns outward. Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. Set the idle speed with the idle screw.
I am uncertain if the bike has ran for you or not. "Did pull the spark plug and kick started it." If the bike still will not run then the cam chain may be out of time. Why was the tensioner off the bike?
Please rate this solution. Thanks budx5!
Posted on Apr 04, 2009
SOURCE: Engine stalls
I assume your bike has been in storage for awhile...Your engine is running on choke ONLY, that's why when you cover the air inlet it's the same as what the choke does.....your jets in the carb are clogged and will facilitate a removal and cleaning of the carbs my friend.....find a trusted mechanic and you'll be rolling in no time...Good Luck to you......Tim
Posted on May 09, 2009
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