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I have a 2003 4 tech with a twisted crank gear. Looks to be off almost 3 teeth counter clockwise. Can the gear be removed and repositioned? Is it heated and pressed on or is it keyed. Not much for picturesout there. The pic is with the locking tool in place

2016 spark, turns over but seems like no compression, the starts kicking on one cylinder and then the starter kicks out. Next crank has compression on one cylinder and then looses it. Just starting to look into it. Could the hydraulic valve buckets be pumped up too much and not relaxing...

I'm playing around with a 787 in a Challenger but the engine originally came out of a 96 XP. It has gone through three different voltage regulators and will charge the battery well over 15 volts at just off idle. I think somebody swapped in an RFI Delta wound stator and I'm not sure what this...

221 hrs on wsm pistons. Only warning was one oil ring broke and it smoked... 2012 gti 130...

Just curious what the rfi engine has for squish compared to carb. I know we measure by cylinder volume, but I've had a few that resulted in Lower than normal compression. Another thing, with buds what effect do the settings for the fuel injection have? There are a few adjustments that I was...

Hi everyone, not sure where this will end up but it's from nova scotia Canada. Please let me know if you see this around.

For the gen 2 ibr what is a good replacement for the 775 motor, also what are the specs of the original ? I've noticed the wire size for the oem motor is larger than the ones I was replacing it with. So I'm guessing it's a low turn count, high speed motor but I'm not sure what the spec rpm...

Has anyone updated a 2010 cluster firmware to use a 4 button left pad? On a 2010 rxtx you can add the 4 button pad on the left handlebar to add sport and eco mode with vts but in buds pressing the two new buttons does not register. In 2011 and 2013 they do register with the same cluster. So I'm...

Working on this thing, should I have progressive spark advance checked on or off? Also what curve should I be using ? Right now it's off And curve is #8 I dont like the performance. And I just wanted to know what the defaults were since this mpem is an unknown replacement.

I've noticed that some gauges for 2010 and up have features. Like some have IS on the top and some have boost. Some use the same cluster but don't have either displayed there except on startup. So how can I change that? I was thinking of copying the rxpx's configuration in buds megatech...

I've got a weird one here. 717 engine that needed a rebuild but was running. It would not start after rebuilding and it had me scratching my head. It would kick but almost stop the motor instead. During the rebuild I noticed that the center hub on the flywheel was rotated about 90° so i...

I have a bit of an odd one here. When running cold throttle seems completely normal but as soon as it is at temperature then I get an oil pressure warning and check engine in limp mode and all that. Already drain the oil and then refilled and set proper level and change the oil pressure sensor...

For a 951 if you have a weird intermittent max rpm around 6500, check the raves and replace the small oring inside them I've had one that would intermittently max out at 6500 or 7000. Changed the orings and problem solved. Could not tell they were worn out though. On the same machine (98 xpl )...

On the mid 90s challenger what can be used to replace that trim around the console.

The 787 counterballance has one open bearing and one sealed bearing. Why not replace the open bearing with a sealed bearing ? I'm thinking of water ingestion and the area not being cleaned out in time which would result in a damaged bearing or case if it fails completely. Also thinking of the...

Can someone tell me the difference between a 720 crank and a 657 crank. Looking for either putting in a 657 crank Or to do a core exchange with my block but don't have a 657 crank to throw in for a core. I was wondering if a 720 crank would be an acceptable core for exchange.

When did seadoo release the service bulletin for the flywheel bolts? Also when did they switch to metal SC washers ? Looking at a 2013 rxpx260 with 20 hrs on it and wondering about required updates before its run this season. Hasn't even had its first oil change. SINCE: 2013!

Differences between these two ? Local guys are selling the snow version to people with watercraft. Assuming its thinner but really is there a difference and pros vs cons. And why make the bottles look so similar!!!

3 separate challengers I've worked on had seized top ends. Precursor to this was running the wrong oil. After seeing two more top ends get cooked. I found it is required to replace the oil pump and oil filter in order to eliminate the issue. As well as clean all traces of the old oil. I'm...

Has anyone found a tutorial that says to install 787 pistons backwards and raves upside down? I've rebuilt 3 engines this week with pistons backwards and raves upside down with top clearly marked on them. This comes from a few different areas so I'm not sure its one individual doing this. Or...