exhausts!!?
- pogle
- Posts: 134
- Joined: Mon Apr 09, 2012 9:54 am
- Rides:: honda c50/70 mz ts 125
- Location: ansty
exhausts!!?
hi im new on here, i am building up 1971 c50 with a 70 top end large valve head ported ect. my question is what pipe to use? im thinking one from a 90? has anyone done this? or shall i use a pit bike exhaust. hoping to keep it original looking if i can. also has anyone got some good close up picks so i can see the loom route as i got this bike as a 25% compleat pile of junk its like a jigsaw !
- wightegi
- Posts: 9729
- Joined: Tue Sep 01, 2009 7:23 pm
- Rides:: 12v 1988 e start C90,Royal Enfield Interceptor 650
- Location: Isle of Wight
Re: exhausts!!?
The standard 70 goes prety well as it came so the standard exhaust would seem to work , there are wiring diagrams in the guides section .
- pogle
- Posts: 134
- Joined: Mon Apr 09, 2012 9:54 am
- Rides:: honda c50/70 mz ts 125
- Location: ansty
Re: exhausts!!?
hi and thanks the 70 exhaust im told is the same as the 50 i might try the 90 and the 70 and compair the two im trying to improve the flow hence all the porting work. i still have to work out the jetting on the carb as of yet! the wiering diagrams are good and i have a nos loom, my problem is the path the loom takes through the frame/steering it seems long at the front and short at the rear! if i move it the middle is wrong! it is the correct part no for the frame number! all part of the fun...
- Newtsalad
- Admin & site janitor.
- Posts: 17627
- Joined: Fri May 01, 2009 8:30 am
- Rides:: XL1200c, Cali III, C125,GS750,XV535,XL350,BN125,C90's,C200's,CT200,Little Cub's
- Location: Essex boy loose in Suffolk!
Re: exhausts!!?
Worth watching out that you don't pick up a zorst for a 50 thats labelled/stamped up as a 30mph item.
They have a really thick (10-12mm) washer that only has a breathing hole about 10mm diameter, to restrict the speed. I have ground one out, but it took time and is only worth messing about with if you pick one up cheap. Mine was £15.
They have a really thick (10-12mm) washer that only has a breathing hole about 10mm diameter, to restrict the speed. I have ground one out, but it took time and is only worth messing about with if you pick one up cheap. Mine was £15.
- Newtsalad
- Admin & site janitor.
- Posts: 17627
- Joined: Fri May 01, 2009 8:30 am
- Rides:: XL1200c, Cali III, C125,GS750,XV535,XL350,BN125,C90's,C200's,CT200,Little Cub's
- Location: Essex boy loose in Suffolk!
Re: exhausts!!?
BTW the M-tek zorsts are nice, stainless header, a tad on the noisy side perhaps, but breathe well!
- pogle
- Posts: 134
- Joined: Mon Apr 09, 2012 9:54 am
- Rides:: honda c50/70 mz ts 125
- Location: ansty
Re: exhausts!!?
ahh i picked a c50 lac one up on ebay last year 99p +£10pp...then i read on here thay are no good i will give it a go...thats why i was the only bidder, is that the only restricton ?Newtsalad wrote:Worth watching out that you don't pick up a zorst for a 50 thats labelled/stamped up as a 30mph item.
They have a really thick (10-12mm) washer that only has a breathing hole about 10mm diameter, to restrict the speed. I have ground one out, but it took time and is only worth messing about with if you pick one up cheap. Mine was £15.
- Newtsalad
- Admin & site janitor.
- Posts: 17627
- Joined: Fri May 01, 2009 8:30 am
- Rides:: XL1200c, Cali III, C125,GS750,XV535,XL350,BN125,C90's,C200's,CT200,Little Cub's
- Location: Essex boy loose in Suffolk!
Re: exhausts!!?
I have no idea what's inside them as they are sealed. I removed the washer and put it on a 90. I'm not sure which of my bikes it's on, but they'll all do 50mph + at a push.