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Rusty-150
10-11-2012, 03:19 PM
Hey just want to say hi im new to the forum and im lookin for some help. So i recently bought an 85 250sx in rough shape. Ill see if i can get some pics up at somepoint. Well anyways the seller said the engine in this trike is siezed . Apparently he took for a ten km run and shut it down hot went out later to kick start it and it was hard as a rock. Well i got it home and after rockin it back and forth a bit in gear the kick start will work for a kick or two then jam up a bit. And when it does kick over its not turning the top end just spinning a few shafts, oh and the starter gear and the gear the starter mesh with are both chewed right up teeth missin reall nasty lookin. So i popped the side cases off and started too look at things the kick start gears are all intacked and once i took the left side cover off the kick start wont jam up anymore but still wont turn the top end over then i rememberd the shifter seemd to stick up or down so i rotated the shift shaft a little and all of a sudden the top end kicks over and dosent feel to me to be siezed , so im gona try to get it back together tonite and see what happens . I dunno yet what was causing the kick start to jam the stator looks really chewed up full of metel gear chunks . So i duno if i should try to fix this engine or there is s 250 es motor for sale not far away what do u guys think? Any ideas whats goin on with the kick start?
Thankss

tri again
10-11-2012, 03:31 PM
Hi and welcome

Interesting story for sure and could happen to any one of us.
see if you can click on :
service manual

and maybe give the search key a try.
either chewed starter gears
or timing chain.

Almost sounds like the timing chain may have jammed loose
with gear chunks and then fell back on the chainwheels.
Maybe check cam timing first?

Either way, sounds like it needs to be cleaned out really well.

Congrats for not giving up.
Someone on here has the answer or has been through it.

Please let us know what you find or if you need help with the search key.

Jason125m
10-11-2012, 05:34 PM
Welcome, we're starting to get a lot of ontarians on here.

Rusty-150
10-11-2012, 09:52 PM
Well i got it put back together tonite minus the stator i think it was jamming up ,checked the timming and put fresh oil in it. Put a little gas in it kicked it over and it fired up for a second so im thinking it isnt siezed. Tried to kick it over again and now the kick start isnt engaging so i dunno maybe wasent back together right. So anyways as i was dumping out the old oil. I found a locator bolt in the oil. Ill try to get a pic up as soon as i figure how. Looks like a stud with a jam nut on it. And the end of the stud is machined smooth im thinking there must me some fingers that run on it i dunno where it came from or what its for im thinking i should pick up that engine for sale haha

CRJ
10-23-2012, 03:25 PM
Any luck with it?