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Old March 19th, 2018, 07:49 AM   #3
DannoXYZ
ninjette.org certified postwhore
 
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011

Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C

Posts: A lot.
MOTY - 2018, MOTM - Nov '17
Trail is self-centering action of front-end. It's like caster front wheels on shopping-cart, it'll automatically aim wheel in direction of travel. The more trail you have, the stronger the self-centering torque on steering.



By lowering front-end, you make fork-rake steeper and reduce trail. Stock 250 has about 84mm trail, which I think is very short and makes the bike responsive as is. I don't think making it even more responsive has measureable benefits. It won't get me faster lap-times at track, but makes causes stability issues as Dave pointed out.

My CBR600RR has 95mm trail in comparison and doesn't feel as responsive at low-speeds. However, at 100mph, it's much more stable than Ninjette.
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