tooth and nail

If you've been following the previos thread "Modded Blaster Jetting" I finally got the problem fixed .

It was the off brand carb kit , I put in OEM parts and whadaya know 97% of the problem went away, I still have a slight bog at WOT and max RPM but I'm pertty sure I can tune that out with the screws.

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3 Cannondale Quads
1 Cannondale X440 mx bike
1 Gas Gas 280 pro trials bike
2 Wave Blasters
2 Kaw xi 750's
There are 3 kinds of people those who are good at math and those who aren't

Sidsol

I wish i can figure out this carb thing myself

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12 - RXPX
94 - Yamaha Blaster.

Riva Racing - DK1 designs - White Glove Tech - Optima Racing - Hydroturf

Yamabooeey

What's your max RPM? and are you still using the 150 main?

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freekstyle

What was wrong with the other carb kit?

NJJer

How about who made the other carb kit? Some off brand, or some brand we know, just one that is not any good.

I learned years ago to use real Mikuni kits or to expect trouble.

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94 Blaster - Mostly Stock
94 Blaster - Some Mods
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tooth and nail

I went back to the original 152.5 so I would be back to where I was before the carb rebuild and reed change .

There was nothing I coud see wrong with the kit except the rubber seemed to expand with gas contact,ie the o-rings got slightly oversize, I figured the diaphrams were doing the same and maybe reducing flow?????? probably from ethanol.

It was a Jetlyne

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3 Cannondale Quads
1 Cannondale X440 mx bike
1 Gas Gas 280 pro trials bike
2 Wave Blasters
2 Kaw xi 750's
There are 3 kinds of people those who are good at math and those who aren't