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I am trying to remove the gear on the end of the crankshaft. It's the smaller of the 2 gears. I removed the reverse thread bolt but cannot get the gear off. From the looks of a parts diagram, it should just slide off from the splines it sits on. I've tried a 2 jaw gear puller and it didnt work...

So my 2006 apex engine gets extremely hot, has very poor throttle response, runs extremely rich, has no power. It's done this since the day I bought the motor 5 years ago. Since then, i rebuilt it with low compression wiseco turbo pistons and wiseco head gasket that came with it (and i turbo'd...

I've got an 06 apex motor in my rzr 800s. It's never ran right like it should. I've replaced almost every mechanical/eletrical part on the engine trying to find a fix. It cuts out if I put any kind of strain on the engine. I feel like the problem is electrical. I've got good fuel pressure. It...

Hey guys I have an 06 apex motor in my rzr down here in arkansas and it's done nothing but give me problems. I've done a lot of research on this forum and can't find my answer. I need to know how many turns out the #4 adjuster screw is on the iac valve. I didn't know I wasnt supposed to turn it...

Hey guys. My 2006 apex gt motor is really giving me problems. I put the motor in my Polaris rzr and I just rebuilt the motor with low compression turbo pistons and it's acting up. I checked my timing yesterday and the cams are perfectly lined up. My valves are all in specs. My coil packs are...

Hey guys I have an 06 apex gt and I just put in some wiseco turbo pistons and do not plan on making it turbo. I might later on, but not for now atleast. Anyways...the head gasket is a wiseco head gasket and looks different from stock head gasket. Its got a black coating on it and is a multi...

Hey guys I've got an 06 apex gt and I bought a 10.5:1 wiseco turbo forged piston kit. The kit came with rings and a pink peice of paper saying the ring gap should be .004 for a motor that will not see a turbo or nitrous or high compression. I am going to leave it naturally aspirated with the low...

Ok so I have an 06 Apex GT non turbo. I have about 42 psi fuel pressure through my fuel line at idle and at full throttle. The thing is, I put this motor in my polaris rzr and the motor is bone stock with new cr10ek plugs. When I first got it running I went to take it for a spin and it had...

I put an apex motor in my rzr but I can't get it running right. I've got the rzr fuel pump sending 39psi to the motor. It gags if you give it gas too quick. But if you lay into it runs much better. And it has no power like it should. It's a non turbo 06 apex gt. This other guy has my exact same...

Just put a Apex engine in my Polaris RZR and I cant get it to stay running. When it turns on, it revs up and slowly goes down to idle and then keeps dropping lower rpm until it finally dies. I turn the key off and then re start the engine and it does it the same way every time. It will not let...