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2007 grizzly 700 was running fine for about 5 min. then died now it wont start, turns over fine but only backfires

Has spark, fuel pump works, turns over fine

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Possible blocked carb- also check ohms reading on sparkplug cap should be no more than 8 ohms

Posted on Jan 19, 2013


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: 2007 Yamaha grizzly 660 wll run fine, and then


Posted on Apr 30, 2009

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SOURCE: I have a 2007 Yamaha Grizzly 660. It was running

It sounds like you got some corrosion going on, on the ground side. I would start with the battery cables first and see if they need cleaned up, then go to the connectors and unplug them and clean if necessary and put die-electrical grease in the sockets of the connectors before plugging them back in. I am assuming that the shifter is electrically assisted if there are problems going on with it as well...this is what makes me believe that it is a bad ground due to setting maybe in a damp inviroment.

Posted on Oct 19, 2009

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SOURCE: fireblade wont start just backfires

It sounds as if the timing is out. But having a manual will do you no harm. There is only a 98 one available (unless I missed it) so good luck.

Posted on Feb 14, 2010

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SOURCE: 2006 Yamaha grizzly(60 hours) . Was working fine

Did you check spark before or after the spark plugs? Replace the plugs (or at least check their gaps). Also remember, you need three things for ignition: air, fuel, spark. You've been checking fuel and spark, but not mention of decent air flow. Is your air filter plugged?

Posted on Aug 23, 2010

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SOURCE: 2007 yamaha grizzly 660 backfires when you let off

My yamaha grizzly 660 will not go past 1/4 throttle without sounding like it is drowning out or starving for fuel. I changed the plug checked gap and cleaned air filter. It was running great then i hit a little burm jump and thats when it started acting up. please help because we use this machine a bunch here on the ranch.

Posted on Jun 23, 2011

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1998 f250 5.4l would not start. changed feul pump and filter still would not start. 20 mni later started. was cleaning engine while running 10 15 min later died wont start.

Check fuel pressure at the injector rail. Could be your fuel pump relay is cutting out. If fuel pressure is good, check for sparks at the plug wires. Read the link below for more info.
Do It Yourself Diagnosis and Repair

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My 1995 jeep will die just driving and sometimes will start right back up other times you have to wait about an hour. fuel pump is working fine you can hear it

The pump can be running but not pumping any fuel.
When it stops running you will need to figure out if you are loosing spark to the plugs or fuel to the injectors.

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From your description you can be fairly certain it is an electronic problem.

I had a similar problem once with my Honda CX500. I found the connections to the ignition module had gone green and a good clean up restored normal running.

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Car doesnt cut out or run bad at all it just dies and takes about 5 mins to start or just wont start then after 5-10 mins of trying to start it it starts right up and runs fine.Already changed the fuel...

Check battery cable on the + side. There may be 2 cables sandwiched together on the + lug. One runs the computer and the other is everything else. Mine was loose and car would die.

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1 Answer

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First check the fuses.check the start ,run switch,there should b some kind of protection for this..possibley a in line fuse??

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Yamaha grizzly 350 won't start

Check the carb boot were it attaches to the cylinder head and see if can notice any cracks or hole in it.

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1 Answer

88 Toyota Corolla backfires through carburetor.

If that is carbureted, and has a mechanical fuel pump, try running a length of fuel line from inlet side of pump to a gas can that has fresh, clean fuel, and if it runs good that way, you know problem is most likely in the tank. Removing the tank & cleaning it out is best solution from there. I'd even be tempted to add a small bottle or 2 of Lucas Fuel Sytem Cleaner to first fill in clean tank, just to help clean lines as well as carb.

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