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By Kyler
Put new fuel in this thing, new battery I can get it to turn over but want stay running it’ll try to run with starting fluid but shuts right back off what could the problem be?
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By Andy Dickerson
So heard the grinding noise on the drive shaft a couple of times while going down a steep hill. Never heard this before going down the same hill. I already knew about the splines wearing out because of improper heat treating so I went through the process of removing the shaft to just replace it. A lot things need to be removed to get that thing out. Once I had it remove I didn't see any wear on the splines but what I did notice was the rear spline to rear differential had ZERO grease i.e. it was completely dry and I could see rust that had developed on the shaft splines and inside the differential mating surface. The front of the shaft where it connects to the transmission was well greased. Both ends of the shafts have springs in them with the rear spring being multiple times heavier which would force the shaft to mate securely into the transmission. Unless of course the rear is rusted and starts sticking which is what I think was happening. If the rear splines begin to rust and it starts sticking and the spring doesn't have the enough force to overcome the sticking because of the rust, the shaft will not get fully seated into the transmission. If this starts happening frequently it will eventually eat up the front splines on the transmission side shaft splines which is exactly what I see in the pictures of stripped splines.
I don't know why the rear spline shaft wasn't greased but this would cause it to eventually stick. I have been concerned about this ever since reading about it so as soon as I heard the grinding I stopped driving it. Thankfully there wasn't any wear. I'm wondering if this was deliberate or just laziness by the assemblers. It makes no sense not to grease it. The repair manual that I purchased from motorcycle doctor specifies to grease the splines. Both shaft ends have a rubber seal meaning there's is supposed to be grease in there.
I used to have a gold wing and there is a special grease required for the rear drive differential which happens to be a spline shaft setup. They use a lithium grease with moly. I had purchased a couple of tube of Magnalube-gx that I never used as I sold the bike. The Hisun manual recommends using a lithium grease which doesn't have the additives of a lithium moly grease that is specialized for spline shafts. Per magnalube website. "Magnalube-GX, however, uses a proprietary matrix of advanced polymers, molybdenum disulfide, and PTFE, so it stays where you put it without getting pressed out, while also maintaining a low frictional drag."
Anyway, long story short everything is back together and no noise. I would recommend those that haven't checked the grease in the splines on both ends to do so before the shaft get destroyed. Especially If you have heard grinding. Those rubber boots can be pulled back without having to take to many parts off. If you've been hearing grinding then there is probably significant wear already and time to replace the shaft and grease it properly.
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By malenurse13
We've had the Predator 459cc on our American Landmaster TW450 for about one month now. And I've got to say, this has been a solid motor! My kids have really put the motor and the whole side-by-side to the test. But it's running great! The original motor was a Kohler ECH440 with 14hp.
We've had ice and snow all weekend. But we can feel the extra power with the Predator 459cc (15.8hp). Just wanted to let y'all know, if you're looking for something to replace your motor on the TW450... We considered the cheaper Predator 420. But I'm really glad we got the 459!
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By Rocahaja
Dumb question probably but what size drive chain is used on Massimo gunner 250? I believe it to be 520 but not sure. Thanks for helping
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By malenurse13
We've got the old Kohler motor out and the new Predator 459cc in!
But before we put the motor in there. I took some pics of the old wires. I'm hoping y'all can help me figure out what all these are for and what we need to keep.
There are a lot of inline fuses. And all the labels we can read say "12v pos" or "regulator/rectifier."
Main thing I'm looking for:
1. Wires to connect the stock ignition to the starter on the new motor
2. Wires for the headlights
If anyone can help me identify what all these wires are for, I'd appreciate the help!
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