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4th Gear Change R51/3
- johnstas617
- Posts: 85
- Joined: Sun Jul 12, 2015 4:46 pm
4th Gear Change R51/3
I restored this nice R51/3 year 1951 and I was wondering if the 4th gear can be replaced with another one to make the ride at more ease at cruising speed?
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- schrader7032
- Posts: 9058
- Joined: Fri Oct 27, 2006 3:00 am
- Location: San Antonio, TX
- Has thanked: 3 times
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I've heard about gear changes
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.
- johnstas617
- Posts: 85
- Joined: Sun Jul 12, 2015 4:46 pm
- The Plunger
- Posts: 269
- Joined: Mon Sep 03, 2012 8:48 am
- Location: West Des Moines, Iowa
I assume it has a 35:9 final
59-69
Hello John the bike looks
the bike looks great...well done. I've had an early 1951 R51/3 for several years and done thousands of km on it and it cruises comfortably at 115 to 118 kph...will do that all day.
I wonder if yours could have a side car ratio rear end ? I'm certainly no expert but I gather that the R51 was often sold as a utility or police bike and those would have been fitted with the sidecar ratio if intended for European market. if you have the sidecar ratio then it would be really humming at 90- kph. Just a thought.
Regards
Grant in Toronto
I got my bike with the same bent header pipes as yours. Much later somebody pointed out that they are the wrong pipes for the half hub early R51/3 models. Note that I really care (grin) but it is a real fight to get them to line up with the mufflers. I used straight pipes on my on my second one everything lines up easily. That said, I would not suggest that you change yours... they still look great. And in your climate they will probably last for decades
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