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I'd for sure take the carb off and take it apart and inspect it and clean it. Take the jets out and blow through them with carb cleaner and compressed air. Take the needle and seat out too, it could be sticking and not popping off correctly. Also check all your lines and filters for debris or...

You cant delete your first post if you start the thread. Pretty sure anyways,,, if not never mind! :biggrin:

IMO, bore that baby to 83mm. Thats when a 701 really starts to wake up!

It also depends on your arm length. Im 6' 1" and have pretty long arms and go with -7.5" with a OEM RN stock pole using Xmetal short plate and straight bars. You just have to experiment. Cut 3" and go from there. You can always go more if needed.

:haha: Thats LOL!

X2!!! Totally can agree with that statement! If you want Harry(GroupK) to go balls out on your porting he will... I had a 61X 84mm cyl. he ported once and it was awesome!

I've always wanted to see the "Wango Tango" and "Running Man" performed on a Matrix..... :biggrin:

Then it was just the towing, all should be fine. All that weight you were pulling was spinning the prop and not hooking up... When i tow someone, i just take it slow and easy. No need to try and get up on plane unless maybe a stand up pulling a standup, but still no use to blow up or abuse your...

Does it cavitate when your not towing someone? :biggrin:

Why do old men shave their legs?

All that ski needs now is one of them there tig o'l bitty air breathin freestyle hoods...:icon16: :biggrin:

Sorry, Im not complaining in anyway, I figured there was a reason for it. I just keep some protectant on the very tops.

Reminds me of my new DASA head studs.... :sad2:

Thats a ridiculous theory(GPS) to think it could only go 45ish with that cylinder and all those mods. I

Nice score! You will not regret it whatsoever! Makes dual OEM 44 feel like complete turd carbs.. and they are.. :biggrin: BrapJacks - FTW!

"PJS race head 220 pounds on VP110, BPM cylinder told sleeves had extra ports, pistons unknown, Dual 38's (check picutre might be wrong), Skat pump and skat impeller (nice), westcoast nosel, west coast pipe, west coast water box, pjs exhaust manifold off cylinder, MSD Total Loss." Ive seen...

That ski is very sick indeed. It just needs some turf on that pole pad(if the guy values his OEM teeth):icon16:

Pumps are 130mm but nothing that will fit in a SJ. They came with 28mm Mikuni BN carb. I had one given to me that was a good motor, but had no spark. I sold the engine out of it for $250 on Ebay. The 500 is a Yamaha boat motor layed on its side. The flywheel is about 10-12" around!

Choose the Matrix or you get nothing!

Even if you clean your contacts and everything looks good, they get wore out enough that the little post that goes down in the hole will not press in far enough. Thats when I grind that post down a little so it can go in far enough again for a good contact.