Honda CBR 500 Riders Forum banner
1 - 7 of 7 Posts

·
Registered
Joined
·
2 Posts
Discussion Starter · #1 ·
I changed my rear sprocket from 41 to 37 but now i cant get over 108 mph on 6th gear and in wont rev over 8000rpm on 6th, yet on 5th gear i get 105 mph on 8000 rpm and still reach the redline at 107mph, also get a speedoDRD H3 installed
 

·
Registered
Joined
·
535 Posts
A lot of folks change the gearing, normally increasing the front sprocket by a tooth or two. Mostly it seems to lower the rpm at freeway speeds & make the bike seem calmer. I thought about it, but have stayed with the stock gearing because I do not spend much time above 70-75 mph & normally not much over 65 in reality. Most of my riding is on small technical twisties & the stock set up works fine. First gear is a bit short, but occasionally I have to even use first in the back upon itself hairpin turn.
 

·
Registered
2017 Aprilia Tuono V4 1100 Factory
Joined
·
1,268 Posts
You're power limited. As well, when gearing becomes "aggressively" tall it's not unusual for vehicles to have a higher top speed in a lower gear than top, with older Corvettes being one example.
 

·
Registered
Joined
·
83 Posts
Get all the mods (intake, header, exhaust, tune) and look into getting a custom cam. Oyabun used to sell cams but I hear he stopped during COVID so I'm going to have Dan Crower make set to different spec that he normally sells. The engine runs out of power after ~7500 RPM on the stock cam which suck for high speed runs.
 
  • Like
Reactions: Gchernandez26
1 - 7 of 7 Posts
Top