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Yes I did mean both fuel pumps: Update thank God I saved all the old jets and needles after rebuilding the carbs. Took the carbs out. Put all the old jets through the ultrasonic for 45min and installed everything back in. Turns out I had one of the main jet needle washers on top of the lock...

Really appreciate everybody's suggestions. Tested fuel pump. Working as it should be.

O rings are all in place under the caps on top. Checked those last night

And yes whole sled is bone stock. Previous owner was an old man who drove it into a tree back in 2009. Bent some front end Hood supports. Parked it after that until my old man picked it up in the fall

Coils were arcing very badly on the head. Had to be changed. The sled sat for 8+ years with fuel in the carbs. Figured it was easier buying a brand new OEM kit than cleaning everything. I was thinking about throwing all the old carb parts into my ultrasonic cleaner and putting them back in. Have...

Airbox on/off doesn't make a difference. Checked for leaks. No leaks. Just put another new set of plugs in since installing the new coils and I can get the sled up to RPM now by very quickly feathering throttle from none to full a bunch of times and then holding. Still seems like a fuel issue...

I put a brand new carb kit in it. 135 main. 75 power. 17.5 pilots. All OEM. Everything that I took out was stock OEM

Can't get the carbs off if you don't open the airbox?

Whatever stock was. 3rd I think?

Thanks for the reply! Airbox has been off so many times as well there can't be mice in there unless they managed to go through the drain or breather hose which wouldn't cause my issue. Both exhausts breathe nice when choke is on and I can increase RPM

Hey guys, new to the site here. Have read every single post I can find online. Very mechanically inclined, very rarely that I can't figure out an issue. I have an RX1 that's new to the old man, hadn't been run in seven or eight years. Has 4,000 miles. Cannot get the sled to rev past 3500rpms...