Have Spark/Fuel/Compression.......Won’t Fire!! - Suzuki LT-R450 Forum :: LTR450HQ.com
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post #1 of 7 (permalink) Old 12-04-2019, 10:42 AM Thread Starter
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Have Spark/Fuel/Compression.......Won’t Fire!!

Alright fellas.......

I’ll start by saying.......I’ve literally sat for hours trawling through different threads to try & find a solution & nothing I’ve tried has worked.🏻

Ok......so the bikes an 07 LTR, has had the head bored out to 480 with piston to suit. Yoshi Kick-Start kit installed & as a result, all the electric starting components have been deleted. So obviously now have no 12v power (battery) on the bike bar the capacitor that comes with the Yoshi kit.

Can’t get this thing to start with either a kick or a bump!!🙄😭

I’m getting spark, fuel, the compression would nearly break your foot kicking it over & I took the airbox completely off behind the throttle body.
I’ve tested the stator & coil resistances to the owner manual values & both came back bang on.
Checked the timing at TDC, and the markings are perfectly lined up and theres 15 teeth between them as there should be.
Fuel pumps brand new, and even when I put a spray of fuel into the spark plug hole & kick it over, I get nothing. Doesn’t even sound like its trying at all.
Swapped a friends CDI box into mine, still nothing.
Im assuming all sensors are good or it would kill the spark on the bike.

I’m really starting to run out of ideas & I’m turning to the gurus in hope that somebody can think of something I haven’t.🙏🙏
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post #2 of 7 (permalink) Old 12-05-2019, 04:31 PM
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I’ve asked questions on here and nobody has ever replied! But if your on Facebook at all there’s a few sites on there that are excellent with helping you. Try those sites. One is called “LTR450hq“ but I guess has no affiliation with this site.
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post #3 of 7 (permalink) Old 12-06-2019, 07:58 PM
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Damn, I guess I'm not the only one. My mechanic is busy and can't get in. I have replaced everything. Did you find anything out
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post #4 of 7 (permalink) Old 12-12-2019, 04:26 PM
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I’ve found out I’ve needed on the “other” site. I think this site is following the fate of the LTR.
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post #5 of 7 (permalink) Old 12-19-2019, 10:04 AM Thread Starter
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No further forward unfortunately.......although haven’t had much time to look at it since I posted.

Strongly considering putting the starting/ignition system back to standard & seeing if extra voltage can cure my problem.......

Not particularly great with electrics & wiring but trying not to farm out work that I can do myself either.
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post #6 of 7 (permalink) Old 12-19-2019, 06:35 PM
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I read your post. Did this begin happening after you put the kick starter kit in? What I mean is, were you ever able to start it with the kick starter kit or after installing it?
Does the spark plug get wet from attempting to start the engine? If so, you need to check if the spark is strong using an adjustable spark tester while kicking it over. You will need 2 people for this.
I have read that the camshaft sprockets can spin on the camshaft causing valves out of timing. You would not know this until you took the sprockets off to inspect the keyways.
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post #7 of 7 (permalink) Old 12-20-2019, 07:29 AM
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Sounds like a spark issue, use a good 12V battery in place of the capacitor for testing.

Quote:
Originally Posted by hinkle View Post
We started hitting the teens but no white stuff yet.
2006 LTR 535-R, Go Big or Go Home.


Her name is Bruce

https://www.ltr450hq.com/forums/gener...ce-manual.html
https://onedrive.live.com/?authkey=%...%21147&o=OneUp

LTR450 manual ^ ^ ^ ^ ^ ^
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