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Yes I know, I tried doing that as well and it is not a clutch issue. Appreciate the reply though. ---------- Post added at 12:19 PM ---------- Previous post was at 12:18 PM ---------- No, it is set up for gas. ---------- Post added at 12:20 PM ---------- Previous post was at 12:19 PM...

I had it running with the new clutch on it and then when I tried to get it going again it locked up while trying to get it started (always took about 8 pulls to get it going). I took the engine off the kart and went through it and nothing else out of the ordinary from what I could see. When I...

It has a recoiling pull start on it, the picture above is current. I just meant that the recoil wasn’t the problem. I took the pull start off and it pulled and recoiled fine off the engine. Tried turning the motor with adjustable and it’s definitely locked up.

No recoil, I tried pulling plug out and pulling and no luck. Also, there isn’t a decompression release that I’m aware of on this. It’s a Briggs raptor 3 engine.

Well... got new clutch on and everything hooked up and pulled about 8 times with no start. Then the engine completely locked up. Pull start won’t move at all. Any ideas of what the issue could be on this ?

Haven’t had it on a straight away at all just on a small dirt oval track. We turn about 8 second lap times on it but it is still bogging out of the turns a little bit with the 14 tooth clutch.

Thanks, I haven’t seen many of the raptors around but I’m a fan of them so far. I have 12 tooth on my other karts so that is what I was thinking about getting but do you think an 11 tooth would be okay?

Looks like a max torque clutch 14 tooth is currently on it

@JTSpeedDemon That is what I worked on this evening. They both had 62 tooth sprockets on them and I changed them to 72 and that made a huge difference. Next will be to most likely upgrade the clutch. Thanks for the help.

Lol yeah I kinda figured those were some of the things I would get on a reply. For what I will be using these for I’m not really looking to get that involved in the engine. That’s why I have those predators on the other ones. They are cheap and easy to deal with/get replacement parts for. Top...

Raptor Racing Engine Hello everyone, I just picked up two new (to me) karts. They are both coyote chassis and will be used on an oval dirt track. My question is about the engines that are on both of them. They have raptor racing engines. I don’t know much about these engines as all of my...

I actually won’t be using this for any official (specified) races. Family and friends all have karts, I think we are up to 8 now, and we have 3 tracks in back yards that we race at. So it’s nothing fancy but still want to put a little money into it to be competitive. We don’t have many rules and...

Awesome, thank you for helping me out on this. I will look into the link you sent me. Appreciate the help!

Thank you for your reply. This kart will be used on a smaller dirt oval track. I also haven’t heard or seen anything online with the 2” center hole, very odd. I thought about going the spindle mounted rims but the spindles are 3/4” in diameter which also seemed to be an odd size. Was trying to...

I want to get wider wheels/tires on the front

Hello All, New to the karting world and just recently picked up my first one. I’m racing on dirt and was wondering what kind of set-ups people have for this. Also I am wanting to replace my front tires but they seem to have an unusual hole patter (2 3/8 inches) and the diameter of the hub...

So I did a little research and was able to find out that the current main jet it has is a 555537 which I believe is for a methanol set up (correct me if I’m wrong).

This is the condition that my brother purchased the kart so I do not know how it ran before or if it was set up for methanol/alcohol.

Thank you everyone for your replies and advice. With taking all of this into consideration I think it needs a smaller main jet so that will be my next step to try. Once I try this I will let you know the result. Thanks again!

Itsid: I checked the spark plug and wasn’t wet but did look a little dark. As far as the model # I’ve looked and can’t seem to find it on this engine. JTSpeedDemon: Yes the engine is doing as you said where it’s breaking up crackling and struggling. Not sure what you were saying when talking...