1987 SUZUKI DT85

[bernard410]

i have posted theards on this same motor in the past is the timming the same as johnny or rude does it work on the cam shaft if the fly wheel and shear key lined up is it in time? this thing has been a head ach for me but i would really like to get her straighted out. it is hard to start and keep running the only way to start it is to spray mix in the carbs.THEY have been cleaned and the primer bulb replaced and the fuel pump replaced. WHEN i spray mix in the carbs it back fires and coughs will only fun for a few seconds. COULD it be the timming

 

[JUSTINTIME]

Re: 1987 SUZUKI DT85

u need to adjust the timing
if it backfires it usually timing

do not spray anything in the cars except for fuel/oil mix

 

[bernard410]

Re: 1987 SUZUKI DT85

just pulled the flywheel and key way was sheared again any one no whats doing this maybe the key is not hard enough?

 

[JB]

Re: 1987 SUZUKI DT85

The most common causes for repeated shearing are damaged taper surface on crank or flywheel or insufficient torque on nut when installing the flywheel, Bernard.

Please repost your question about the PT&T with a title about PT&T. I deleted it because the title suggested that it was a duplicate of this one. Sorry about that.

 

[bernard410]

Re: 1987 SUZUKI DT85

got new key way will try and tork 100 foot pounds hopefully this will work if not is there any way to fix damaged taper surface on crank

 

[bernard410]

Re: 1987 SUZUKI DT85

put new key in and ran fine in test tank took it out on the water and only running o two cylinders srayed oilgas mix in carbs and it was the bottom carb will clean it again also should the primer bulb stay hard after you pump it up and run motor mine would pump up and when running motor it would not stay firm?