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-   -   Difference between TT and XT engines ? (https://www.horizonsunlimited.com/hubb/yamaha-tech/difference-between-tt-xt-engines-6064)

Eriks 11 Mar 2004 04:47

Difference between TT and XT engines ?
 
Hi folks

Do the TT and the XT have the same engine, or are the engines completely different?
(I'm thinking about recent models (after 98)


giorgioXT 12 Mar 2004 14:25

Not a simple question ...
in general TT vs XT of same period:
TT "Made in Japan" 59X (1983-92?) different Camshaft profile, Chromed barrel, different primary reduction,same compression ratio 8,5:1
TTE Belgarda - same motor of XTE 3TB but with Teikei Y27PV carburettor instead of Y26PV - Shorter secudary ratio
TTR Belgarda : Chromed barrel, kick-start only, piston & camshaft same as older TT, compression ratio 9,5:1 , Carburettor Teikei Y30PV


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