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Posts posted by Brent Mason
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I have been trying to get my Griz600 running right for 3 weeks ! Grandsons used it and it quit running , no spark ! New stator etc and started but ran terrible ! Found a burnt capacitor on cdi . Installed used cdi and burnt it also but ran same as other cdi . Came to conclusion wire harness had short so stripped it and found some bad spots fixed and another cdi ran terrible again ! Bought another harness and same rough running ! Checked spark timing with light (put tdc mark on case and on pull start hub) and when it starts timing right on but will jump 25+° retard ! When timing is on tdc marks it has no power ! The stator is new but I am wondering if the pickup coil is triggering incorrectly ? Also had top end apart when I first started having trouble and although rings were good I installed new rings . Also new timing chain and check the valves , they were good also . It kind of seems to boil down to the last stator I installed new ? I have done trouble shooting on quite a few cars , trucks , dirt bikes and ATVs but this is frustrating me ! Just wondering if anyone has any ideas ? Carb was new last yr and I checked it ! I
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I wonder what the specs are on that capacitor ?
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I’ve heard that the regulator wasn’t in the cdi circuit on the Grizzly 600 ?
Be nice to know what the 12 pins do on this cdi ? Not sure what to check for grounding . I know how to check trigger and charge coils .
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Well all back together and started ok but ran like crap still ! Took cdi off and it fried it just like the other one I had on it ! Is there anything that could be frying the CDIs ! In pics you can see where a capacitor bubbled and melted whatever the stuff is ! The other pic is the 1st cdi and it bubbled same as the latest one ! I spent hrs digging the stuff out to see what size the capacitor was but wrap on cap melted when using acetone ! I think I’m going to try the Chinese 6 wire cdi ! These Grizzly600 CDIs are very expensive !
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I seen that video and am considering doing that if after done doing rings , new timing chain it runs the same way ! Waiting for parts but the engine is in very good shape , no cyl ridge , checked valves and good , timing chain loose so we’ll see . Was a little worried that the chinese deal wouldn’t do the spark timing advance as I think stock CDIs do .
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I don’t think there is a reverse limiter and I’m not sure there is a rev limiter at all on this old griz! As expensive as this particular cdi is used ones are hard to find . I am kind of amazed someone hasn’t tried an alternate cdi from a different model ? Timing advance may be the only hold back ! Most all the other CDIs I’ve studied have the basic stator/pulse/power wiring scheme . Surly somebody on here has tried a different cdi ??
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Well took carb off and everything looked great on it ! Put back on and started but same misfiring . It did a big backfire and quit and wouldn’t start ! Put a sparkplug on plug wire and has good spark when cranked over so it could have jumped timing . Going to tear it down and check cam timing and everything . Things like this become a challenge to fix and I always seem to get them !! I’ll post later .
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1998 Grizzly600 ! Slowly died then wouldn’t start ! All coils check good ohms ! Checked ac voltage from source coil get OL ! Is the source coil bad ?
NEED A CDI ‘98 Grizzly600
in For Sale or Wanted? Post it here.
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I have worked about 4 weeks on my Griz600 and have burnt 2 CDIs up ! I added a wire harness and stator and It starts but runs erratically like spark timing is off ! So I would like to try another CDI but I don’t want to Pay an arm n leg ! Anybody have one ? Thanks