Modern Vespa : Stock Sprint veloce w SR3 exhaust

Stock Sprint veloce w SR3 exhaust

OP Nelluch125 UTC details Hooked 1981 Vespa P200e, 1985 Vespa PX125e, 1985 T5, 1971 Sprint Veloce Joined: UTC Posts: 375 Location: St. Catharines, Ontario
OP Nelluch125 Hooked 1981 Vespa P200e, 1985 Vespa PX125e, 1985 T5, 1971 Sprint Veloce Joined: UTC Posts: 375 Location: St. Catharines, Ontario	UTC quote Hey all, Just building a stock sprint veloce. I've upgraded the exhaust to a sr3. Just wondering what would be a good start point to upjet to? The 20mm carb came with 160 e3 102 50 pilot (if that's correct?) Non drilled air filter. Thoughts? Recommendation? Thank you!

chandlerman UTC details Innovator 76 Sprint V, 63 GL, 62 VBB, 05 Stella, 66 Smallstate, 66 Lammy S3 Joined: UTC Posts: 11334 Location: Nashville 56 Days Since Last Explosion
chandlerman Innovator 76 Sprint V, 63 GL, 62 VBB, 05 Stella, 66 Smallstate, 66 Lammy S3 Joined: UTC Posts: 11334 Location: Nashville 56 Days Since Last Explosion	UTC quote If it's otherwise stock, I'd start at 160/BE5/112.

OP Nelluch125 UTC details Hooked 1981 Vespa P200e, 1985 Vespa PX125e, 1985 T5, 1971 Sprint Veloce Joined: UTC Posts: 375 Location: St. Catharines, Ontario
OP Nelluch125 Hooked 1981 Vespa P200e, 1985 Vespa PX125e, 1985 T5, 1971 Sprint Veloce Joined: UTC Posts: 375 Location: St. Catharines, Ontario	UTC quote Noted. Thank-you! The 112 is what I preemptively put in as a main jet. Thanks again.

chandlerman UTC details Innovator 76 Sprint V, 63 GL, 62 VBB, 05 Stella, 66 Smallstate, 66 Lammy S3 Joined: UTC Posts: 11334 Location: Nashville 56 Days Since Last Explosion
chandlerman Innovator 76 Sprint V, 63 GL, 62 VBB, 05 Stella, 66 Smallstate, 66 Lammy S3 Joined: UTC Posts: 11334 Location: Nashville 56 Days Since Last Explosion	UTC quote Nelluch125 wrote: Noted. Thank-you! The 112 is what I preemptively put in as a main jet. Thanks again. Yeah, as a general rule, add ten points to the main and bump the atomizer as a starting point when you go from stock to a performance box. You may want to up the idle, too, but might also be able to sort it out with just the mixer screw.

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