t5 172 carb set up

[soulboy]

just put a 25 mm carb with polini filter on and it bogs down in every gear ..with out the filter its a bit better so am I to rich

[soulboy]

its taking longer than it should to fall on tickover can anyone tell me whats causing this ive taken the filter off

[ipman]

[acko]

its taking longer than it should to fall on tickover can anyone tell me whats causing this ive taken the filter off

Sounds lean to me.

[soulboy]

yes but at the top end its a bit rich the needle is on the top slot its got a 130 main jet in any help would be gratefull I remember on my 172 dragster with a 25 mm carb the main jet was only about 105/108

[soulboy]

yea cheers all

[sean brady scooters]

sounds to me that you need to get this set up properly on a dyno ,its rich on the top end but weak with possible air leaks at low revs ...