Outlaw 525 mod suggestions.
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By ATVNetwork
As the 2025 ATV Motocross National Championship Series (ATVMX), an AMA National Championship, got underway with back-to-back Florida AMA Pro only events, it was evident that Phoenix Racing Yamaha’s Joel Hetrick picked up where he left off last season.View the full article
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By motox88
Anyone have bad experience with these clutch kits? Looking to get one for an 80s quad that I have.
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By cameronokeefe6
I have owned my 84 Honda 200m for years now and I am wanting to see what i could do to upgrade horsepower , speed , performance , power etc and do it safely and not cause future harm to the engine.
I was thinking on getting a 200x piston, will this work and give a good power increase ? I have heard people have done this in the past and it works great. and i was also thinking on a 200x cam , will the 200x cam fit in this engine and make a difference also does it require the upgrading of any other parts and will i have to run 91 octane instead of 87 ? has anybody run this setup before and got good results ?
I was also gonna go with a 200x carb but not sure if i have to buy an intake to hook it up or will it just bolt onto the 200m intake and fit fine ?
If anyone has any suggestions and advice on what i could do it would be greatly appreciated ! thanks in advance.
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By Pure_Michigan
Hello everyone. This is a Go Cart and not a typical "ATV" but it has an engine so I'm hoping someone can help me. It's a Helix FTX with a Manco 150cc engine. The engine will start and idle for awhile, but will not take even a small touch of throttle. Stalls. It seems to take throttle and rev up when you first start it cold, but in just a minute, it will not take any throttle. I've replaced the Fuel valve/Pump on the fuel tank with no joy. It's a nice little cart, but without a workable engine, it's a boat anchor. I'm not dumb when it comes to small engines, but this one has me stumped. I'm running out of options.
I'll mention that while it is idling, it will sort of "cough" every 6 or 8 seconds and then recover and idle again. Eventually one of those "coughs" causes it to stall. It will start back up pretty easily, but as I said, it absolutely will not take any throttle and then it will cough and stall a minute later. I thought it could be timing, but there is no "adjustment" for timing on this engine. I downloaded the user manual and it mentions nothing about timing and is pretty much useless as a service guide. It just shows the basics. I'm attaching the manual so you can get an idea of the machine I'm dealing with.
Any input would be greatly appreciated.
Kind regards,
Don
Manco-Helix-6150-150cc-Owners-Manual.pdf
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