[zdieseldoc]

new to this forum. i have owned this atv since new-2011 700 h1 efi -( it has 1325 miles on it now), never any issues, the all of a sudden no start. always garage kept-never in water more then 6 inches.
here is what i have done ,asking other folk.
purchase a complete throttle body and installed -still no start-725.00 bucks down the drain
new fuel pump(quantum)- no start(dumped fuel cleaned out tank)
new coil- no start
i can see the fuel dumping into the cylinder
pulled spark plug -has spark-plug look good

just puzzled
any help would be great appreciated-- thanks in advanced

 

[Sandflea757]

I recently purchased a xtx 700 with the same issue, it turned out being out of timing. You will have to pull the top cover to see cam marks once its in top dead center. My chain was stretched out, I put it back on the right timing mark and it fired right up. I revved up the engine and it jumped timing again. Just got the new timing chain to fix the problem.

 

[Maltrin]

I recently purchased a xtx 700 with the same issue, it turned out being out of timing. You will have to pull the top cover to see cam marks once its in top dead center. My chain was stretched out, I put it back on the right timing mark and it fired right up. I revved up the engine and it jumped timing again. Just got the new timing chain to fix the problem.

Did you have to replace the top gasket?