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Old 09-09-2012, 06:48 AM   #16
Ever Onward
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Quote:
Originally Posted by DirtDabber View Post
Have you checked compression?


+1000 !


Why people dont do this first, I will never figure out !
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Old 09-09-2012, 08:13 AM   #17
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Well in my case I don't think it would make sense. How could it lose enough compression in 5 minutes to not run at idle? I have a compression tester that needs to be held into the spark plug hole, it just has a tapered rubber end, not sure if those work as good. Now if I could figure out where it was put, I haven't seen it in 4+ years.
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Old 09-09-2012, 08:22 AM   #18
JeffS77
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last motor I seized did not make any racked while running...it just lost power kind of sounded like a carb issue it made that boggy noise...when we kicked it over it did not make much more racket then usual....got home threw the compression tester on and had about 20psi.

long story short...bad crank seal leaned it out and over heated it , destroyed the exhaust side of the piston.

got any pics of your plug that was in it when it died ?
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Old 09-09-2012, 08:35 AM   #19
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If I understand correctly, if it's oil injected, it needs to be working. Since the pump forces the oil through the system. Premix is not enough to lube the engine. Correct me if I'm wrong.

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Old 09-09-2012, 11:27 AM   #20
Ever Onward
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Entirely wrong engine vtwin.

A TS 250 is a single cylinder enduro......nothing like the T 250 engine you have just pictured .
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Old 09-09-2012, 08:07 PM   #21
vtwin
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Oops. Is it this one?

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Old 09-10-2012, 11:24 AM   #22
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That's the one.
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Old 09-10-2012, 04:32 PM   #23
Miguel Sanchez
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Put a brand-new spark plug in it (unless I missed that part of your earlier posts). I have seen lots of fouled plugs that would spark well outside the cylinder, but do bad things under compression.




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Old 09-11-2012, 11:19 AM   #24
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Before anything else check for play in the main bearings. Bikes which have been sitting for a long while often suffer from internal corrosion, which will mean bearings will fail pretty quickly, and lead to crankcase air leaks. Modern fully synthetic pre-mix only 2T oils are what is used by those racing classic air cooled race bikes, so no real reason not to use at 50:1 on your TS. If the bearings check out ok, then carefully clean carb with brake cleaner and air line, fit a new spark plug, cap and lead, and try it again.
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Old 09-11-2012, 03:40 PM   #25
Miguel Sanchez
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A Suzuki TS will not live forever on premix - it may last quite awhile, but not forever. The left-side crank bearing is oil injected and has a slinger between it and the crank cheek that lubes the big-end rod bearing.



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Old 09-11-2012, 09:36 PM   #26
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Well that's kind of saddening to hear. How can I check the bearings? I did put in a new spark plug, no difference.
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Old 09-11-2012, 11:07 PM   #27
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Remove ignition cover, and check crank for up and down movement.
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Old 09-14-2012, 12:40 AM   #28
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Old 09-16-2012, 01:01 PM   #29
SM Crank
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Sounds like float needle and seat has some sh1t in stopping flow to the bowl.
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Old 09-17-2012, 06:20 AM   #30
vtwin
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I think maybe I was being too vague, but is it possible you had a soft seizure due to running just premix?
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