Should I port my Chaincase??

Good to Go · Nov 26, 2007

Not to get off topic...

But I read on another 4m that you can port your intake AND exhaust at the same time, WITHOUT taking the parts off...

Just add sand.

Quickie port and polish

BigT · Nov 26, 2007

If you don't port your chain case, you can't ride worth crap. The oil in the chain case (that is not ported) will cavitate and cause serious vibration. Porting is the only way to solve that problem

AltitudeinD · Nov 26, 2007

Ok- So you port your chaincase and shave off oil weight, and all that heavy metal. I can't see putting forth that effort without replacing your chain with a set of pantyhose, and porting your gas tank too.

Dogmeat · Nov 26, 2007

I heart this mod saves an astounding 3/10ths of a pound too ....

RGM · Nov 26, 2007

XP chaincase

The old method of using a 45 to port the chaincase does not work for the XP. Most XP owners are either using a 9mm or 12 gauge. The 12 gauge is a lot quicker but I think a 9mm does a better job.

76FOMOCO · Nov 26, 2007

I just port the pantyhose out the front and all the beer leaks out.

Sturgis Sledder · Nov 26, 2007

You guys, quit screwing around everyone knows that only RACE porting of the chaincase shows the full 15Hp gain.

Jonce · Nov 26, 2007

minnesotam7 said:
After you port it make sure Jonce fills it with whipped cream. It's much lighter than oil

Now that's the kind of advice I like to hear! I was slightly altered that night

nullski · Nov 26, 2007

RGM said:
The old method of using a 45 to port the chaincase does not work for the XP. Most XP owners are either using a 9mm or 12 gauge. The 12 gauge is a lot quicker but I think a 9mm does a better job.

I've heard the 9mm is factory recommended (for the warrenty)

M7highmark · Nov 26, 2007

In addition to porting your chain case remember you should put a green, blue, and, red power band on i've heard that combination gives an incredible gain of 500hp! The turbo apexes never saw you coming!

sleddin pete · Nov 26, 2007

Two of my friends have had ported chaincases,one by a rock ,he made it back to the trailer somehow.It was only a couple miles.The second the drain bolt fell out on his cat ?We were stopped and wondered what the funny hot smell was.Maybe a little late night maintanance with some adult beverages had something to do with it? Luckily thru the wonders of duct tape and a rag plus the gear lube he just happened to have in his trunk we were able to get him back to the trail head

Kong · Nov 26, 2007

I can't figure out where to cut on the Diamond Direct?

BTW my friend replaced the chain on his 1M with a Goldwing Belt. Just a thought.

Superjag · Nov 27, 2007

You guys are idiots. You need to use a thicker lube like bacon grease or lard. That way it doesn't all run out when you carve to the ported side.

shortstop20 · Nov 27, 2007

Ported chaincase.......get with the times. Everybody knows that a ported drive belt is the new thing. Just take a 1/2" drill bit and drill holes all over your drive belt. This mod is not recommended on XP's though because a pine cone may get lodged in the drive belt and destroy the crankshaft.

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Should I port my Chaincase??

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