UTV Pictures and Videos
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Latest Posts
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Yeah, I was going to fab something until I realized that the valve cover on my motor barely comes off due to the shift cable plate on the gearbox. I have no room left. Even if I did, the belt would have to be custom. -
I have a 2021 Massimo MXU 1000. Last winter the front drive shaft sheared off inside the motor and it was cheaper to buy a new motor than to take it apart in order to remove the front drive shaft that was broken inside the case… Now it is running rich, seems to maybe be geared too high, does not accelerate well once you hit about 28mph. I’ve replaced the O2 sensor. MAF is next (I accidentally ordered the wrong one, but when I removed the old one you can clearly smell fuel). I’m not a motorhead but I can turn a wrench. Any ideas how to get this motor optimized? The motor has about 300 miles on it. I broke it in as recommended in the manual. -
Only thing I can think of that you haven't already done is look at the fuel pump. There is a filter on it but you have to pull the pump to look at it. If that is the problem consider installing an inline filter before the pump. -
By CSM_Retired · Posted
Greetings All, I'm looking for the most effective way to quiet the noise inside the cab. The cab virtually sits atop the 24hp diesel engine. It's very loud and so I'm looking for ways to make inside the cab quieter. -
Well, it appears all it needed was some time. After several attempts, it started to idle just fine. After reassuring myself that it appeared to be running well, I took it out on the road for some "run" time. It was sluggish to get rolling (like the belt wasn't gripping) but after a few miles it got much better. I think it had been sitting for quite a while and things just needed to break in a little. After several miles both the engine and drive train seems to function normally (at least what I would expect). The only thing that concerns me at this point is the high-end engine RPM. Does anyone know what kind of max- RPM's I could/should expect from the engine? Right now it seems to start bogging down in the over 4k range (sometimes it will get to 4200). Not sure where the ECM starts clipping the RPM's at. The ECM I purchased at Motorcycle Doctor was the "enhanced tune" unit that is supposed to allow for another 500-RPM's. Is 4k all I can expect from the engine ? Additionally, occasionally, the engine hesitates a little from a complete stop, but quickly picks up and takes off. That may work itself out with some more miles on it. But all in all... things are looking promising at this point. It appears the ECM (the WRONG ECM) was the main issue from the beginning. I suspect when the original owner bought the new ECM, and that didn't work to get the engine running again... he threw his hands up and quit. Little did he know that either he ordered the wrong ECM, or, the company simply pulled and shipped the wrong one.
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