February 24, 20215 yr Hello, Anybody ridden a trs one 250 with a high compression head (s3), did you use normal gas or race gas? Looking for some more power for my bike.. Greetz clanned
February 25, 20215 yr 10 hours ago, singesavant said: How is the bottom end performance with the S3 hi-comp head insert? Does it want to stall easier? (pro's con's?) I already purchased a S3 hi-comp insert for more power, but did not install yet because it took a long time to find the correct jetting on the Keihin carb with the new Boyesen Pro reeds. The TRS 250 had a rough burble between 1/4 to 1/2 throttle when the main jet started to come into play. Had TRS motorcycles since 2017 and this one (2021 250) is the smoothest running one i've owned, next to the 2019 TRS Gold 250. 2021 TRS 250 RR (Boyesen Pro reeds) Hello, Do you find the S3 high compression head to benefit
March 2, 20215 yr Author Anybody idea's where too buy the s3 head? Can't find the high compression head for the trs 250..
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