This Is NOT Good...$800 Polaris Predator 500cc Quad. Will It Run? (Part 3)
ฝัง
- เผยแพร่เมื่อ 11 ก.พ. 2021
- I diagnose the problem of no compression on the $800 Polaris Predator 500cc quad and attempt the first start on it again. Will it run this time? #Polaris, #Quad, #500cc,
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This Polaris Predator is testing my patience big time! Who else has had problems with these quads?
The reason the key broke is because the flywheel wasn’t fully tightened down onto the crank shaft taper. The purpose of the key is just an alignment aid, not to hold it. The taper of the crankshaft and tightening the flywheel down is what holds the two together.
Never heard him so mad “are you kidding me”
Maybe the crankshaft taper is messed up and flywheel is wobbling on there and thats why it is breaking the key?
For your next project you should get a 1998 yamaha 350 warrior with no engine and find a 2005 yamaha 350 raptor engine to put on it. Back in 2000 when I was 10, I got a 350 warrior and it had a weak oil pump and completely sheared the cam and it sat for 7 or 8 years and I found out that a 350 raptor engine would fit on the 98 warrior and all you have to do is take the stator off of the warrior engine and put it on the 350 raptor engine and plug it in and go. I rode that quad everywhere and had so much fun on it up to the day I had to sell it to pay bills which sucked. But you should do that for your next project. Would be cool to see someone else put a 350 raptor engine on a 98 350 warrior. Love the videos and keep up the great work.
All those backfires cause a sudden jerk. The last time though there wasn't. I think like you said the flywheel is damaged
I'd also check one way starter clutch on back of fly wheel. You can hear starter engage when you shut quad off which would cause fly wheel to stop prematurely.
You need to raise your idle, that's one of the reasons why the key keeps breaking. This happens on earlier 500 engines when the idle is set too low. Also, the Woodruff key from early 400 EX's is made from stronger material and is the same size, and is less likely to break.
To fix the key from breaking take some valve lapping compound and put it on the flywheel and on the crank and lap it then take it off clean it and torque to spec that’s probably why it broke in the first place
In the UK we had a programme called Wheeler Dealers (not sure if it ever was shown in the USA). The mechanic Edd China was a large reason to why I felt more comfortable working on my cars.... the reason I'm saying this is because YOU are the reason I feel more comfortable with my bikes im building.
Another guy posted that the coil is firing on the wrong time and breaking it or you need to lap the flywheel to the crank with compound and a new key and torque it good
Make sure that the flywheel bolt is torqued to spec because the key only lines the flywheel up with the crank but the fit of the taper is was actually holds the flywheel.
I absolutely love your persistence and your ability to not get frustrated!! Good job my friend!
Once you get her dialed in it sounds like you have a good quad
Put valve grinding compound on the crank and place flywheel on it. Work back and forth to smooth out the flywheel. Install flywheel with red loctite on the crank surface, and let sit for an hour. May also want to consider a new flywheel nut and washer.
Don't give up...you can fix this....pull it and rebuild the whole thing....
We used to have an outlaw 525 thing was definitely used and when it didn’t wanna run it didn’t wanna run!
Had this same problem with woodruff key shearing. ** Even if you replace the flywheel > tighten down the flywheel bolt
Beginning to wonder if you would solve this one.. Congrats on getting it running.
Waited till the end cause I knew it was gonna fire up.. good job on having patience 🤟🏻