Yamaha Grizzly 660 starting help!!! - Honda ATV Forum
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post #1 of 10 (permalink) Old 03-17-2010, 07:01 PM Thread Starter
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Yamaha Grizzly 660 starting help!!!

ok my uncle has a Yamaha 660 Grizzly he got it about right the time they came out, but anyways he had to get a new right axle on the front suspension(independent). So he never got the time to ever do anything with it so it set in the garage for 2 years.He got a new axle and he figured out it had stale gas in the gas tank.So he put new gas in. He also put new diff. lock oil and new engine oil. So he startes it up and the battery makes a buzzing sound. so he charges it up. so now the engines turnin over. he checked the spark plug and it was dry as a bone. we tried gettin it runnin on ether and it started up then shut off. we think its the carburator not puttin gas into the engine. does anybody know how to start this Grizzly please?

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post #2 of 10 (permalink) Old 03-17-2010, 07:09 PM
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Definitly need to pull the carb and clean it if it's been sitting for 2 years.

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post #3 of 10 (permalink) Old 03-17-2010, 07:21 PM
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I agree with 700XX, the carb needs to be taken off and cleaned. That's your problem.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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post #4 of 10 (permalink) Old 03-17-2010, 08:01 PM
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Yep clean the carb real good.It's probably not filling up.

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post #5 of 10 (permalink) Old 07-31-2011, 11:27 AM
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Grizzly wont start

I am having the same problem. Could it be a clogged fuel filter? I spray starting fluid into throat, and it runs fine. Seems like its not getting fuel.
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post #6 of 10 (permalink) Old 07-31-2011, 12:52 PM
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MUGS<<<<Welcome to the forums...Free downloadable manuals in the Schematics/Manuals section...Hondalover,and Mugs.....Remove the carb,dismantle it,thoroughly clean it,its jets,all orifices(avoid getting carb cleaner on anything made of rubber,o-rings,gaskets,float needle tip...

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post #7 of 10 (permalink) Old 07-31-2011, 03:01 PM
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Pull carb and clean, it's gummed up after sittin two years

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post #8 of 10 (permalink) Old 07-31-2011, 03:15 PM
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Quote:
Originally Posted by mugs View Post
I am having the same problem. Could it be a clogged fuel filter? I spray starting fluid into throat, and it runs fine. Seems like its not getting fuel.
Welcome to the forums. The 660 Grizzly doesn't have a fuel filter, but if you have the 550 or 700, it has a fuel filter. If you have the 660, then you need to remove the carb and clean it. Also, make sure gas is flowing from the tank to the carb, as the hose or pet cock valve might be clogged.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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post #9 of 10 (permalink) Old 07-31-2011, 04:37 PM
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they sit more than a month or 2 and carb needs cleaned
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post #10 of 10 (permalink) Old 08-12-2011, 06:23 AM
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Quote:
Originally Posted by mugs View Post
I am having the same problem. Could it be a clogged fuel filter? I spray starting fluid into throat, and it runs fine. Seems like its not getting fuel.
I would take 'er easy with too much carb cleaner going in as that can quickly damage your internal rubber items in the carb---not worth it.

That carb will treat you well if it comes all the way out and all the way apart. The bulk of your problem lies in the jets, which are probably covered with varnish inside and out due to gas sitting for 2 years. Until you completely clean (or better yet replace because they are cheap) those jets, it will run funny or not at all.

Just last Saturday I had to do this EXACT same thing on a 2-wheeler that had been sitting for the magical 2 year stretch full of gas in the carb...what a mess...but the worst of it was inside the jets so I had to pay careful attention to it. It is just fine to use carb cleaner on the jets once you have them separated out of the carb itself...just keep it off o-rings and such.

If you are not a complete carb taker-aparter type, then at the very least get those jets out and clean or replace them.


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