Kawi2strokes.com Forum

Thunder Products (as far as I know) was the first company producing UFO's. They can be purchased on the Thunder Products website, on e-bay or from Niche Cycle. The price is about the same all around.

A board member was producing them for awhile then he stopped. He said it was "high effort and low appreciation". UFO's often require some adjustment (trimming) for a perfect fit and there were too many complaints.

There's a guy named Peter McGuiness on FB producing them now. He lives in the UK. I inquired about ordering a set for VM34's and he said he's only producing UFO's for VM30's. If you want a set for your stock H2 carbs it's worth checking with Peter. You can find him on the Kawasaki Triples Group (FB Worldwide).

Buying Peter's set for VM30's might save you a lot of time. A few years ago I bought the Thunder Products set advertised for VM30-34's. They required a lot of trimming to fit VM30 slides. I probably spent 2 hours on each UFO getting the fit right. Peter's UFO's appear to be made from aluminum and appear to be a proper fit straight from the box. I didn't get a price from Peter. Thunder Products UFO's are made of plastic and cost about $35 each plus shipping.

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Bad decisions make the best stories.

Just sent you a link to a discussion about them Mike
Faceplace message that is

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Bad decisions make the best stories.

Do they come in differnt cut outs..... on my 34mm carbs any cut out less than 3.0 was not good

You may be aware, but the carb body size that's "30-34mm" is larger than the 30mm carbs that are on H2s. The 30-34 size carbs all take the same slides, I believe.

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If it surges, that's normal, upshift.

Ralf Gille's facebook page is showing Peter's UFO's the same as described above. For VM30's only.

Faceplace message - I didn't see it. My FB page is Mike Bates (my real name).

Tried and returned a set of Thunder products ufo's for my VM 38's. Was nothing left in the valleys after filing away enough material so the motor would idle. Ended up with a set of Jim's. Minor sanding to match to the slides. Real happy with them.

https://www.boblesbits.com/

Excuse the huge images...

Carb Slide Inserts CSI's Mikuni VM28 3.0 cutaway. £65.00

Carb Slide Inserts CSI's Mikuni VM30 Aluminium slide 2.5 cutaway. £65.00

Carb Slide Inserts CSI's Mikuni VM30 Brass slide 2.5 cutaway. £65.00
"Notify me when product is back in stock"

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"Only cheat the cheaters, boy - you can't cheat an honest man!" Mordecai Jones - The Flim Flam Man.