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  1. Grizzly Tech Tips
    originally had my griz600 stop running and then wouldn’t start ! After testing all coils , valve lash , compression (115psi) and all tested ok I bought a used cdi . After cdi install it still wouldn’t start (no spark) ! So even though the stator , pulse/trigger and charge coils check within good...
  2. Grizzly Engine & Transmission
    2002 Yamaha Grizzly 660- aftermarket exhaust, 2500 miles, 900 hours Please help this thing is pissing me off. I bought this quad with the engine torn apart knowing it needed a new crank. Was told it ran great but who knows. Anyways, threw it together with the new crank and the engine seems to...
  3. The Tool Box
    I have an 02 grizzly 660 and its backfiring when I give it gas and then bogging down but if I let off the gas it goes back to normal. It all started when I was going up hill and had the throttle almost pinned. When I did this it backfired and bogged down but did not shut off. I’m still able to...
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