Join Date: Oct 2014
Location: Tampa, Florida
Thanked 45 Times in 31 Posts
Cb300f taller handlebars
Wanting a more upright riding position than the CBR250R offers I tried Helibars which were a good improvement but still not what I was looking for. Since the new CB300f has the upright riding position I was looking for I was planning to buy one next year. All I really need though was the top fork bridge, cables, brake hose, and the handlebars.
Now I have the straight upright riding position similar to many of the new adventure-sport bikes on the market.
I also won't have to buy that new BMW S1000XR, that will save me $16,000 right there.
The CB300F handlebars are 27" wide and the ends have a 3" pullback compared to the CBR250Rs 25" width and 4.5" pullback clipons. I wanted more pullback than the CB300 handlebars had, so I tried a couple of different aftermarket handlebars with no luck. I decided to bend the CB300 handlebars myself and now I have the 4.5" pullback I wanted and also the 25" width, same as stock CBR250.
Now the windscreen
The stock windscreen is not very effective when you are sitting straight up. The windscreen on bikes with this riding position are a lot more vertical. The front brake master cylinder hits the top corner of the windscreen, so a little trimming was in order. Now there are a lot of different shapes that can be done, round top, tombstone, fly-screen with more of a higher curve, even a Bart Simpson haircut style. Lots of possibilities here.
I went with cutting the corners at a 45 degree angle for now just to start the Bart haircut and make room for the stock CB300 mirrors that I plan to install on the handlebars.
I raised the triple trees up one inch on the fork tubes. Now the bike leans over way too much on the side stand. A quick parts check shows the CBR250, CBR300, and CB300 all use the same side stand, so I added a 1/2" to the bottom of my stand, and now it sits normal. (Edit. Lowered triple tree from 1" to 1/2 inch on fork tube because clutch cable was too tight at steering lock.)
About a year and a half ago I injured my left knee and it still bothers me occasionally. After riding about 30 minutes it aches and goes numb. To help with the problem I added 1.5" more padding to the seat and Buell 1" lower footpegs, which when installed on this motorcycle are actually 1.5" lower than stock footpegs. between the seat and the foot pegs that's 3' more legroom which really helps my knee. The Buell footpegs ($30) are not a direct fit, You have to make them fit. Knightdesigns.com makes 1' lower footpegs ($110-$120) specifically for the CBR250.
The grass is always greener . . .
Last edited by gyrotumbler; 02-05-2015 at 06:17 PM.