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Roger, I will use 1184. Thank you MIKI! A man of wisdom. God I think I built two or three engines without it now. Take care! (Upon relooking at the manual it's 515 not 518.) Than saw your post from 2019 about this. Will report back; for archiving users. I see this mystery problem occuring alot.

So I ended up taking the entire engine apart to rebuild, everything looks pretty good. Outer crank seal was perhaps bad; I also never used threadlocker to seal the engine when I was first putting both cases back together and the crank seals too. HOWEVER! I did notice while de-salting...

Unfortunately I painted over the old SKU marks to see the model engine. I also have limited knowledge to the old engine(picked it up on facebook marketplace for a deal). But yes double confirmed timing with two different valves. Thanks for the quick reply.

Hey everyone, A while back, I posted a video of my '95 XP. I got an engine from a GTI—it only had about 10 hours on it, but it was seized because a small nut got stuck in the crankcase. I removed the nut, put it back together, and installed it in my '95 XP. The problem: It revs nicely up to...

82 Inch Go Kart Throttle Cable Line Wire for 150CC 250CC Carter Throttle Cable Accessories- by DFuerdivn Honestly there no where near perfect. You can probably buy some 80 inch generic throttle cables. There's some quirks when adjusting slop i can help you with. For example instead of adjusting...

You inspired me. I was like man; I want these wear-rings to be TIGHT! I had some 139.5 undersized wear-rings, and was like whatever let's throw the white delrins I bought from osd and never put in(There's definitely more gap in the impellers but I guess it's totally fine.). Running at like 47...

Top Speed is 44, New wear-rings, siliconed ride plate, Neoprene seal, "tight clearances" on the impellers, the carbon seals are tight... Brand new single carbs on each engine. 137 psi even on all sides. I feel like last year I was getting 46-7. So confusing... 25 Gallons of fresh fuel. New...

Not the best, last year I was running 45-47 mph tops. This year I was getting 42-44. It's a 14.5 twin 720. I expected atleast 49-50. Carbs are "brand new" I didn't feel like rebuilding them like for the other skis I have. I siliconed the ride plates, I have neoprene seals, almost positive the...

Hi, I have two impellers in my Challenger that I believe are very worn, almost nearly 138mm. I just bought two reman'd impellers trying to "save money" and they were roughly 139.2-5mm. If I were to buy a brand new impeller would it be exactly around 140mm? Thanks! Roughly I spent 240 for two...

I unfortunately removed the video sometime ago, but I changed out the regulator and I'm damn sure the compression and the carbs are fine... I still am just getting a hard rev-limit when I bump the throttle. It idle's so strong too.

I'm at work so I can't reference it try to perform a continuity test on your stator there's information in what the ohms should be but essentially you unplug the wire connecting to your stator and probe the pins in there together

What kind of plugs are you running? (I'll try to help as best i can I had a similar issue it was so annoying)

Just curious have you tried to silicone your ride plate? (Inside and outside, you dont really need to take it off just like press it into the edges of the plate. I'm also a hack half the time so :) ) Also my oil container has that same thing it goes to a check valve. With your shifting cable...

Hey m8, have you checked the compression?

I currently have a Challenger 5672 (14.5 ft with twin 720s), and I just came across a Challenger 1800 with twin 787s for a really good price. I'm considering swapping the 787s into my 5672. I know it's not a direct bolt-in, but since I wouldn’t need to hunt down two individual 787s or custom fab...

Long story short I bought a 95 XP with a good Electric box, VTS works, Gauges sorta work etc. Took the engine out. Bought a 96 GTI 720 engine that was REALLY mint; looks like it had under 10 hours honestly. Swapped it in without changing the mpem or anything. I do believe I used the exhaust...

Hi, I essentially had gotten at 1996 GTI motor I rebuilt and popped it into a 95 XP. I double checked the timing and carb settings and wearring(pretty tight) A.O.K. STILL has the 95 xp mpem!!!! Rpm gauge says it's hovering around 5-6000 ish rpm WOT but does not take off; feels really sluggish...

Anyone referencing this. I took off the accelerator turning lines completely and replaced them with regular throttle cables to the throttle assembly. (Throttle Levers ---> Carb; nothing else) I prefer the no turn acceleration because I am DEFEINTELY in more control and can perform different...

They worked surprisingly fine, 5 psi would probably have the same result. I said before it wasn't working well I just had to configure it the right way. Hypothetically if anyone else is trying to replace the accelerator pump nozzle; make sure its the right size. Anything under you'll get no...

Anyone referencing this. I took off the accelerator turning lines completely and replaced them with regular throttle cables to the throttle assembly. (Throttle Levers ---> Carb; nothing else) I prefer the no turn acceleration because I am DEFEINTELY in more control and can perform different...