Power Kit for an R75/5
Re: Power Kit for an R75/5
If you want to purchase them in the USA - Chris at Eurotech motorsports is good to talk to. I am about to purchase a kit as well and he has been holding my hand as i come up with various concerns and questions.
http://eurotechmotorsports.com/forms/Qu ... StartRow=1
-Josh
http://eurotechmotorsports.com/forms/Qu ... StartRow=1
-Josh
www.beemersandbits.com
'77 R100S - http://www.joshuawithers.com/r100s
'73 /5 Toaster Cafe bike http://www.joshwithers.com/slash5
'67 Bridgestone 175 Hurricane Scrambler
'66 R60/2
'72 BMW 2002
Instagram - jj_withers
'77 R100S - http://www.joshuawithers.com/r100s
'73 /5 Toaster Cafe bike http://www.joshwithers.com/slash5
'67 Bridgestone 175 Hurricane Scrambler
'66 R60/2
'72 BMW 2002
Instagram - jj_withers
- boxertwinjeff
- Posts: 389
- Joined: Mon Feb 07, 2011 1:56 pm
- Location: Cairns Qld, Australia.
Re: Power Kit for an R75/5
With the new 1000cc Kit, am I likely to get more " Growl " from the exhaust?
1973 R1000/5 LWB
1976 R90S Silver Smoke
1976 R90S Silver Smoke
- George Ryals
- Posts: 510
- Joined: Tue Aug 03, 2010 10:22 am
- Location: Stone Mountain, GA
Re: Power Kit for an R75/5
Yes and even more with a bump in compression ratio.
Smile it's contagious!
'74 R90S, '67 /2 Conv w/sc, '66 R50/2
'74 Harley FXE, '72 Harley FLH w/HD sc
'69 BSA 441 Victor Special, '74 R90/6 Basket case
'85 R80RT wreck for parts
'74 R90S, '67 /2 Conv w/sc, '66 R50/2
'74 Harley FXE, '72 Harley FLH w/HD sc
'69 BSA 441 Victor Special, '74 R90/6 Basket case
'85 R80RT wreck for parts
- boxertwinjeff
- Posts: 389
- Joined: Mon Feb 07, 2011 1:56 pm
- Location: Cairns Qld, Australia.
Re: Power Kit for an R75/5
According to MI (Motoren Israel) and Siebenrock the kit you purchased will give your heads at least 9.5:1 compression.George Ryals wrote:Yes and even more with a bump in compression ratio.
Make sure you run premium. Also, the pistons and wrist pins are much lighter than stock, which will give you a little more response and possibly smoother running. The difference between an R75 and an R90 is like night and day. You'll have an R100 (with smaller valves).....even so, you'll be grinning.
Bellingham, WA USA
1975 BMW R90/6
1975 BMW 2002
1971 VW Westfalia
1985 VW Vanagon
http://advrider.com/index.php?threads/b ... s.1074183/
1975 BMW R90/6
1975 BMW 2002
1971 VW Westfalia
1985 VW Vanagon
http://advrider.com/index.php?threads/b ... s.1074183/
- boxertwinjeff
- Posts: 389
- Joined: Mon Feb 07, 2011 1:56 pm
- Location: Cairns Qld, Australia.
Re: Power Kit for an R75/5
Just for curiosity sake, what top speed could be feasible with the new Kit, and
Horsepower rating?
Horsepower rating?
1973 R1000/5 LWB
1976 R90S Silver Smoke
1976 R90S Silver Smoke
Re: Power Kit for an R75/5
About 50HP plus
with possable torque value the limit of gearing in speed
with possable torque value the limit of gearing in speed
Last edited by Motorhead on Sat Jun 25, 2011 12:22 am, edited 1 time in total.
-
- Posts: 8900
- Joined: Tue Aug 03, 2010 1:46 pm
Re: Power Kit for an R75/5
boxertwinjeff wrote:Just for curiosity sake, what top speed could be feasible with the new Kit, and
Horsepower rating?
I hope that wasn't the answer to his first question . . .Motorhead wrote:About 50 plus

MS - out
- boxertwinjeff
- Posts: 389
- Joined: Mon Feb 07, 2011 1:56 pm
- Location: Cairns Qld, Australia.
Re: Power Kit for an R75/5
Yeh, there's one in every crowd.Motorhead wrote:About 50 plus

1973 R1000/5 LWB
1976 R90S Silver Smoke
1976 R90S Silver Smoke
Re: Power Kit for an R75/5
Just a note, I ordered one of these kits on the 16th and it arrived yesterday! My '73 is going to be soooo happy!