What year is your NH? Adding two teeth to the countershaft sprocket is like taking away 6 teeth from the driven sprocket. Using the last gen NH transmission gearing you would drop rpm by 500 @ 60 MPH. That would put the bike way below it's torque curve for any kind of decent acceleration. I would imagine downshifting to 3rd would be necessary to pass a slow vehicle with any authority. Try playing with http://www.gearingcommander.com/ before hand, I personally think these inline 4 bikes don't make enough torque for that big of a gearing change. From what I have heard a 16 tooth is fine if you do alot of highway miles.
On Sep 15, 1:36 pm, Kurt Nolte <[email protected]> wrote: > I have plans to go to a 17 tooth front sprocket here shortly on my own > 750, and possibly dropping down a tooth or two on the rear for even > more reduction in engine RPM for a speed.... but then, I'm a Fuel > Economy nutjob... :D > > -Kurt > > On Wed, Sep 15, 2010 at 1:31 PM, [email protected] > > > > <[email protected]> wrote: > > I noticed a drop in mpg when i went from a 30 to a 32 rear sprocket in the > > 250... But it also allowed me to do 60.... > > -----Original Message----- > > Date: Wednesday, September 15, 2010 12:46:42 pm > > To: [email protected] > > From: "Mack Swanson" <[email protected]> > > Subject: [Nighthawk Lovers] Fuel Mileage > > > i used to get about 40 mpg with my 82 750 nh. i changed the sprockets, > > dropping to 40 teeth in the rear and gained 10 mpg, and it doesnt have to > > pull > > 6000 rpm to do 70 now. > > > Mack > > > -- > > You received this message because you are subscribed to the Google Groups > > "Nighthawk Motorcycle Lovers!" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]. > > For more options, visit this group > > athttp://groups.google.com/group/nighthawk_lovers?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Nighthawk Motorcycle Lovers!" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]. > > For more options, visit this group > > athttp://groups.google.com/group/nighthawk_lovers?hl=en.- Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en.
