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the hp is coming. put cylinder higher and you see something good ;). i will use lth box. i think that you need others exhaust to better results best regards

hi i have one engine done with VBB 1m cases, with parmakit 195 with 60mm crank. timing litle more high transfer +- 125º and exhaust 175º, soon will go to dyno . what inlet timing do you have? what sip vape is? road or sport? good torque but low hp, i was expecting more something... and you?

hi i need 4 gear short. but i have pk50 fl2 gearbox 10-15-20-25. the original 4 cog have 44 teeth. is something available in market? thank you

hi what gasket do you have in bottom cylinder? you have to shave ou put another gasket with +- 1mm less so you can go to 125-127 transfer timing. that goes well with box you do that conversion for your self? regards

there is problems with starving fuel with dell orto phbh 30 in m1xl? the fast flow tap by BGM or SIP is enough? i see KR automotion solution too...

that to expensive....

thanks mazzu or drt? https://www.duepercento.com/it/albero-motore-drt-spalle-piene-biella-105-corsa-60-per-vespa-px125-150-lusso-cosa125-150-lml125-150-gtr-ts-sprint-veloce-4501132.html https://www.duepercento.com/it/albero-motore-mazzucchelli-spalle-piene-biella-105-corsa-57-per-vespa-px125-150-lusso-cosa125-150-lml125-150-gtr-ts-sprint-veloce-3001002.html 60mm version

good morning what you suggest to install with quattrini m1xl version? full circle? bell? rotary type? thank you

After open engine i see that valve is scratch... so reed valve will be... In my mind quattrini m1xl with 60 crank... but what? Full circle or bell or like original? Thank you

Test in 4 gear Quattrini m1l60 126/127 and 189/190 Fabbri 51/97 Dell vhsb 34 Ignition 25-17 Big bertha d&f

Polini box or bbt? what will go better with 62mm crank and timings +- 175/125? regards

thanks for your reply angeldust : 26nm is amazing congrats I like RR box but is not switable for this Project, i agree. i see in fórum one engine with pinasco magny cours and crank 62mm and 23 hp and good curves but can not find it.... the is some dyno with bgm and crank 62mm? regards

i want to build engine base in px125 cases. is to carry pav40. 1 or 2 person I wanto to use Pinasco crank 62mm , box exhaust and carburator S.I 26/26 or maybe S.I28. I allready have pinasco flytech in engine. i need you help to decide to choose good torky cylinder. in my head i have this: - pinasco magny cours : will land in +- 126/176 timings. i allready made one in 60mm crank and is really power in low and medium rpm - Vmc stelvium : really power in medium and high rpm in 60mm stroke. will have good timing in 62mm stroke - bgm 177: never install - malossi sport: never install what you choose? why? if you have dyno fantastic please show!

hi what the squish should be use? the rx190 has another head. plug and play a have 1,4mm squish. the magny cours with another head uses 1,6mm squish someone have compression infos?

the part is available in other store? Like SIP or SCK? regards

Thanks. Is normal with quatrini m1l60 and big bertha the shock it in manifold?

hello the hocks hits in manifold exhaust. there any solution? put shock more in vertical? there is some part for this? regards

in my gs150 i have spring 33% 180mm (-10mm from original) and SIP 100psi. i have 110kg and for me should be litle more hard , because in strong brake goes all down easely. regards

Lol... can i meet him?

I'm confuse. So what goes wrong in the 2 solution? Motorhead how is your system?

hi use original gears with christmastree 20/17/14/10? maybe not possible. for exemple 44teeth in this engine is 92mm diameter. in other engine that use 22 teeth it work with 44 teeth but 97mm diameter...

hi i have engine with 10-15-20-25 cluster and with 44 teeth in 4 gear. i like to know if there is 4 gear with 92mm like 44 original but shorter, like 46 teeth and same diameter? what you suggest to use in combination with big bertha? the cruciform is 50,00mm. can i use 50,2mm ? thank you

hi i have pk50 with 1 cable gearbox. i want to convert in 2 cable to use in v50 chassi. there is 2 option. i like to know your experiencie https://www.scooter-center.com/en/conversion-set-pk-xl2-engine-to-2-gear-change-cables-kr-automation-vespa-v50-pv125-et3-pk-s-pk-xl-3333488 https://www.scooter-center.com/en/conversion-set-pk-xl2-engine-to-2-gear-change-cables-vsr-vespa-v50-pv125-et3-pk-s-pk-xl-7673522?number=7673522 thank you

hi how parmakit w-force stays in chassi hole? needs to cut? photo? regards

original is even more beautiful and more well done. congrats. i really don`t know who as the creator. price for the holly? is to put with parma wforce or qualtrini m1 l60 and crank 51/97. i would like something all around and good top performance too.... regards