sprockets 18-41 gear rato-

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Maxx		#21	[-]
Posts: 75 (05/10/08 4:53 AM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	I got the code last night, and it was my name and a four digit number. That's a cool program. Based on the gear ratio info I was able to pull up and my rear tire circumference, I should be turning 3935 revs at 65 miles per hour. I was playing around with it and it's pretty amazing what a one or two tooth difference in the front or rear sprocket can make.
Maxx		#22	[-]
Posts: 76 (05/10/08 4:56 AM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	Double post because I'm an idiot...
Herchamier		#23	[-]
Posts: 338 (05/11/08 7:26 AM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	woogaus wrote: There's a nice program you can get for free that will help you guys out, it's called GearCalc. Here's a screen shot of my 75 CB750F, it's stock except for the rear rim which is a 16". http://i88.photobucket.com/albums/k184/woogaus/GearCalc.jpg and here's where you can get the program http://www.ironjungle.com/ or you can post your info and I'll run it for you. How did you get the number for the primary reduction. The manual lists both a primary and secondary reduction. did you dombine these two somehow to get the number for the program? thanks God damn you all, I was right H. G. Wells
Maxx		#24	[-]
Posts: 79 (05/11/08 11:55 AM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	I found the numbers here.
t1m32sh1n3	re	#25	[-]
Posts: 461 (05/11/08 3:02 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	some one explain to me how gearing works. if , lets say im running 18-48 sprockets at 70mph, then im running (?) rpm. ok now. if im running.....18-45 sprockets at 70 mph, then im running at(?) rpm. arent my rpm's gonna be higher at 70 mph with the smaller sprockets? and ill have a quicker hole shot? basically its time for new chain and sprockets and i want to still have a good hole shot and be able to cruise at 70-80mph, still have balls on the throttle and not be running real high on the rpm band. i dont quite understand the sprocket ratio chart. so tell me in laymans terms.
mike7772		#26	[-]
Posts: 98 (05/11/08 3:56 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	SPROCKET ON BACK-SMALLER HIGHER-BIGGER-LOWER SPROCKET ON FRONT-SMALLER LOWER-BIGGER-HIGHER
Maxx		#27	[-]
Posts: 81 (05/11/08 4:43 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	Lower number of teeth on the rear sprocket lowers the numerical final drive ratio = lower RPM at cruise, slower off line. Lower number of teeth on the front sprocket raises the numerical final drive ration = higher RPM at cruise, quicker off line. At least, that's how it was explained to me Examples: 17-48 = 2.82 16-48 = 3.00 17-45 = 2.64 16-45 = 2.81 17-43 = 2.52 16-43 = 2.68
Roadkill Savior		#28	[-]
Posts: 3126 (05/11/08 8:38 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	You aren't going to get both....... one way will give you a hole shot but have high rpm's on the highway the other will be a dog off the line but can cruise at 100 mph on the expressway. In your case I would go in the middle with a 18-48 HCCMF Local 6978 Roadkill Last Edited By: Roadkill Savior 08/07/35 11:10 AM. Edited 1 times.
woogaus		#29	[-]
Posts: 509 (05/11/08 9:50 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	Herchamier wrote: woogaus wrote: There's a nice program you can get for free that will help you guys out, it's called GearCalc. Here's a screen shot of my 75 CB750F, it's stock except for the rear rim which is a 16". http://i88.photobucket.com/albums/k184/woogaus/GearCalc.jpg and here's where you can get the program http://www.ironjungle.com/ or you can post your info and I'll run it for you. How did you get the number for the primary reduction. The manual lists both a primary and secondary reduction. did you dombine these two somehow to get the number for the program? thanks There are different specs listed in the manual depending on which model, mine fell into the group that only listed a primary reduction. The secondary reduction is only listed for early models and I'm not quite sure about it either. Maybe some of the real gurus out there can explain. I did compare what the program told me to what the bike actually does and it's close enough, figuring that the program is working from therotical numbers as opposed to real world numbers Having fun, whether the man likes it or not!!! Woogaus Domain Winnie's Creations
Houndog750		#30	[-]
Posts: 1885 (05/12/08 6:54 AM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	I was curious about the two "reductions" myself. The only thing I could think of that could be secondary reduction was the reduction between tranny output and final drive (sprocket shaft). They may have foregone this in the later specifications and combined the two. According to what specs I could find the 5th gear ratio did not change for both primary reduction specs and primary/secondary combo specs. It was Honda first, all through the middle, and if I have my way, till the end as well. Most people say what they'll do. Very few actually do what they say.

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