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So I bought a 2001 Quad Runner 250 for my son/wife. Sorry I run a Grizzly 660.
I’ve rode it many times with no issue.
My son’s first time out, I could always hear him but feeling he ran it red line in first gear a lot.
So this is what it was doing during/end of the 2-3 hour ride:
- halfway though noticed smoke (oil) coming from front of the motor sort of under exhaust manifold. Once back at the truck, it was really noticeable. Definitely oil burning off. I’m thinking from the top end maybe.
So quick inspection:
- No leaks or seepage of oil that I could see
- I pulled the plug and it’s black but not wet
- No blue/white smoke in exhaust
- seems to still ride fine
- Engine still has plenty of oil
But now that I’m looking at it back at the house - it’s a hard/won’t start when hot. It starts right up cold no problem but once it stalls when hot, have to let it sit for 10-15 before it will start again.
It wasn’t idling before that trip so I jacked up the idle a bit as well but I think that’s a carb clean/adjustment but...
Any input is appreciated.
Thanks for any help.
Sent from my iPhone using Tapatalk
By Michael Hill
My Grizzly started dying in the middle of riding it. Most of the time it was as I was decelerating or idling. It did this for a while and I thought it was just bad fuel. I had siphoned out most of the tank and put fresh fuel in it thinking this would fix it. However, after riding it some with the fresh fuel it was still doing it. Last night it died and I couldn't get it restarted. The battery is 8 years old so I thought maybe this was not keeping enough charge so I put a brand new battery on it. Still nothing. I pulled the spark plug to find I had zero spark. Does anyone have the service manual that walks you through all the steps you are to take when you aren't getting spark? I was just going to go back to the coil next and keep tracing my way back. I'm not sure what resistance should be at the coil nor exactly how to test it. Also not sure how to test the plug to make sure that is good.
Any help you guys could lend would be greatly appreciated.
Over the years I have always used a friends machine, and only ride a few times a year. Last week I purchased a 2002 Polaris Sportsman 700. The front diff needs a rebuild, the axles are very loose where they go into diff. My question is, both front wheels rotate forward by hand, but do not rotate the opposite direction. Is this "NORMAL OPERATION" I plan on rebuilding the hubs at the same time as the diff.....
My question about the rear diff, it rolls as if the machine has a total POSI rear axle...……. I lifted the front end off the garage floor with overhead hoist, as I moved it sideways the rear tires skidded rather than rotate. Both would roll forward easy, but not go in a circle. When I drove the machine in the garage making a tight turn I could feel the binding and skidding of rear tires.... Even if the switch was in 4 wheel drive, when it's hanging in te air the ignition is off...….. with the machine in 2 wheel drive mode, is that HONESTLY 1 wheel drive to allow turning without tearing up the lawn? then it locks the rear axle once it's put into 4 wheel drive? I'm guessing the rear diff needs a rebuild also because there is something "BALLED UP" internally locking the rear wheels together?
It's a old machine that was not maintained, I thought the wheels were all rusted, but it was 17 years off baked on red clay. Just wanting to make it a reliable machine. I have great mechanical ability, just lacking a little knowledge of what is suppose to be "NORMAL OPERATING STANDARDS"
Thank you in advance for sharing your knowledge.
I rebuild my front diff but can't find the torque spec for the pinion nut for my 1998 500 quadrunner. It had timkin bearings so I know the preload needs to be correct not to overheat or be too loose and take it out again. Does anyone know what the correct torque is.
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I am having an issue where it sounds like the gears are slipping if I hit the throttle really hard and also after letting off when the engine brake is applied. Also, the drive train that goes to the front also rides again the gear shift box. I will attach pictures and a video here shortly.
Thanks in advance!
Thank you for your help, just got quad for my daughter n needs a little work [email protected]
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