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do you have the newest map installed? I havent tried my sled since november but the original map was way lean! I havent had a chance to test the new one yet but from what i hear its still seems lean to me up top. I dont want to say for sure until i try again. I would love to see high 11s...

Good idea! I have the software/cable and can help out anyone in Edmonton if they need their map updated.

Thanks for making this. It would be nice to see Rapidbike change the software so that you can show boost levels instead of %'s. It wouldnt be that hard of a job to do.

definitely something not right. Mine works fine.

Im sure Dave will answer but in the mean time ill try to help you out... The box would need a different map uploaded to it which is very easy with the pro-lite software and usb cable. You would also need to connect the green/yellow pins together for it to look at the map sensor instead of the...

I think his new nytro harnesses allow you to tie into the throttle position sensor. That way you can use it on a stock nytro and then if you decide to turbo later you just plug in a map sensor and change maps.

Can anyone tell me what air/fuel numbers they are seeing on their sled at idle, just off idle and cruising at say 6000 or so rpm under light load? These sleds seem to be pretty rich from the factory, at least mine is and a few others I have talked to. Ideally it would be nice to hear from...

Ive been really busy with the build but here are some more pictures of the install:

The instructions call for the big turbo hanger to be on the outside on the short section. I found that things didnt line up the way I liked that way so I am going to put them both on the inside. I am going to try running the exhaust upside down so I can put a jerry can on the tunnel...

The whole idea of adjusting your cam timing is to remove both the intake and exhaust overlap, not to put it back to its stock setting.

I followed powderlites instructions which said to split the new head gasket and sandwich the shim between. Make sure to use spray a gasket on the head shim though.

What fuel are you using for this tune? Also, at 14 lbs at elevation, what is the duty cycle of the injectors? Thanks

You have to make sure you compress the tensioner and then hold it compressed using the little clip it has on it. Kind of hard to explain: You squeeze the spring on the tensioner, compress it and then hook the clip on the pin at the end. Once you put it in the clip releases and it works as...

Dave from Powderlites answered my questions twice while he was at the Vernon sled show. Great service from these guys!

The clearance is at 0.007 intake, 0.009 exhaust. Not quite max specs like powderlites mentions but I called Dave and he said that those clearances would be fine. He said the Apex is the one that is most important to have max specs, the valves must recess quicker on those vs the vector/nytro...

Its time consuming but I look at it from a few different perspectives: 1) You have a greater safety margin when boosting. 2) You can run cheaper fuel at the same boost level. 3) After you have pulled the engine/taken it apart you will be very familiar with everything in case you need to...

i just finished doing it myself. Mostly for the learning experience but also to keep my cash in my #*$&@ pocket. Check out pictures here: http://www.ty4stroke.com/viewtopic.php?t=62764

I finally got around to doing the head shim and cam timing changes. Valve cover off: camshafts out: Cylinder head: Block: camshafts/camshaft caps: Head shim with spray a gasket on both sides. You split the new head gasket into two pieces and sandwich the head shim in...

Last week I started the tear down. I wanted to get the engine out because I am going to be bringing it up to work with me on Wednesday. The plan is to do the head shim and cam timing up there while im working two weeks, and then i can just get right to reinstalling the engine when i get back...