Could someone please confirm the correct Dynojet kit for a 2001 Yamaha R1 engine please using a foam filter and 4-1 exhaust in a BEC - its doing my head in trying to confirm if its a 4164 or 4165.

Cheers
Paul

Dynojet kit for an R1
Sounds like a fair swap!

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Originally posted by Richard Quinn
Dynojet kit for an R1
Sounds like a fair swap!

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tweeks says its a 4164 . Where did you find the 4165 from?

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Originally posted by 001Ben
tweeks says its a 4164 . Where did you find the 4165 from?

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All sorted - the 4165 kit is for a US model 00/01 R1 with the 4164 being used for the earlier US models as well as all the European carbed R1's

excellent - now wheres the cheapest place for them!!

Isn't "foam filter" a bit generic? Surely the type of filter, design of trumpets etc will influence things????
Just a thought? Might be BS!!!

There are various "Stages" I see!!! More lost than ever now!! Stage 3 would seem the obvious choice???? What have others with an R1 used??

linky to Demon Tweeks

Standard R1 trumpets inside a Pipercross PX600 type sausage filter. The kit contains various sized jets doesnt it to allow the correct ones to be selected at the rolling road?? Just thought the right kit needs buying to get it close first with the needles and clips fitted etc

[Edited on 13/10/08 by Paul TigerB6]

I would get the BEC-specific kit from TTS. Mine worked a treat!

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Originally posted by Coose
I would get the BEC-specific kit from TTS. Mine worked a treat!

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