[nclaybourn]

Hello all this is my first post! Wife wanted to get her self a quad so we found a smoking deal on a 2006 250ex. Haven't ever owned a 250 so have a couple questions. The first is that there is a slight tick somewhere in the engine, I believe the noise I am hearing is the pushrods. The quad has plenty of power and doesn't smoke a bit. The second question is that of the headlights. When the switch is all the way on the lights don't work, but when the switch it half on the lights come right on.

Thanks!

 

[M_Quick]

Welcome to the forum! As far as the tick, I'd start with checking the valve clearance. Head light sounds like bad switch, but idk.

 

[JohnnySolo]

M_Quick was right on but just to elaborate.

Yeah sounds like your valves need some adjusting, more than likely they're too lose. To do it you need to remove gas tank, plastic cover under tank and the cross bar over that cover. Then just find those two covers and take em off to adjust rocker arms.

The switch could be bad indeed, try taking the cover off and maybe rewire the switch. Although it may be too much work that may not be worth the trouble. Also be possible that th headlights were replaced at some point and weren't replaced with some that have 2 setting options and just the one.

 

[nclaybourn]

Ok so I spent all night adjusting the valves they are in spec. I set the piston at TDC on correct stroke and could get the .05 feeler guage just barley in but could not get the .06. After I went to fire it up and still the tick!! Should you be able to move the valves when they are even the slightest? If not then maybe mine are still a tad loose. Other than that I’m thinking could be the oil pump chain but don’t feel like ripping in it to! Bike doesn’t feel like it’s lost power and doesn’t smoke runs awesome just that annoying tick. Thanks guys!