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I'm a paul turner pipe fan myself. I've tried lrd, toomey t5, cpi, and for all around riding I perfer mid range pt. They also have great fitment and access to the motor for plug changes and compression checks. For all out draging, cpi all the way.

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um yea  i was wondering what the "crack" is.....

 

that might be a lil more than your thinking if the crank came apart?   if its from the chain breaking  and its not leaking oil  screw it.  

 

screw pt mids.  keep the pipes you have.  get it ported, reeds, welded crank and trans modifications done  you will have a fun lil bike. i have built a lot of these style bikes and they are great starter machines.  then you can always do more later.  depending on how stout you make the bottom end depends on what all you can do to the top end.

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yes the crack is from the chain falling off and getting wedged between the motor case and sproket it was leaking oil a little so i put some jb weld there as a temp fix althogh it doesnt leak i am not happy with it and gonna strip the motor down to replace it with another case.. i found a few on ebay for 250 bucks besides the price of that i wanna do everything i can while it is apart  ... such as replace piston rings all seals and gaskits weld and trune crank shaft inpesct transmishion get cylenders ported, coolhead with 21..or..22cc domes and v force 4 reeds and cages with a adjustable timming plate.... more suggestions and opinons wanted please leave it .

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Definitely get rid of the boost bottle. It causes air leaks. Air leaks cause melted pistons!

 

Do a full freshening up of the bottom while you are in it. New tranny bearings, seals, mod the shift shaft, shift star, any janky misc hardware, a Billit basket and fresh clutch, and have the crank rebuilt and welded by someone qualified.

 

Also don't get all offended when people comment on your terrible grammar!

Especially if you want the people who have been around these things longer then you to give you good advice. It really is kind of obnoxious every couple days when this place gets flooded with early unlegible posts. Not trying to be a dick by the way. Just trying you how to get ahead of the rest of the goons.

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Definitely get rid of the boost bottle. It causes air leaks. Air leaks cause melted pistons!

 

Do a full freshening up of the bottom while you are in it. New tranny bearings, seals, mod the shift shaft, shift star, any janky misc hardware, a Billit basket and fresh clutch, and have the crank rebuilt and welded by someone qualified.

 

Also don't get all offended when people comment on your terrible grammar!

Especially if you want the people who have been around these things longer then you to give you good advice. It really is kind of obnoxious every couple days when this place gets flooded with early unlegible posts. Not trying to be a dick by the way. Just trying you how to get ahead of the rest of the goons.

sound like good info man.. what kind of shifter mods can be done

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The shaft that runs through the stator cover and cases to the clutch side has a spot around the eccentric screw that you can grind a little material out of on the top and bottom. The star can have all but the last points ground down to change it to a more smooth rounded profile. There is another product that replaces the shift detent arm with one that has a bearing on the end. Mull engineering also mods the stock arm with a bearing which I would reccomend trying. The Shift Pro kit seems to get really loose and it requires that you use a punch on the back to properly mushroom the fastener they use. You can also do some cutting on the tranny if you have access to the right tooling.

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Im gonna have a real clean set of T5's ready to bolt on with springs and O-ring on the head pipe with upper gasket and clamps. These pipes are not beat to shit or BLUED like most sold, I just need to figure a price for em then I'll let you know.

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