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who
Joined: 10 Nov 2010 Posts: 402 Location: Melbourne Australia
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Posted: Thu Jun 28, 2018 8:20 am Post subject: |
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Hey bud, only 10,500 rpm? is that rev limiter? seems low.
Also the 40mm disc spacers, are they for the smaller 310mm R1 discs, or spacing issues?
Nicely presented bike! |
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Bud977
Joined: 03 Mar 2013 Posts: 525 Location: Sydney
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Posted: Thu Jun 28, 2018 9:11 pm Post subject: |
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That's where it makes max power. I can rev it further if I want. 145 rwhp on pump fuel.
We could have tuned it for more power on the dyno but it would have made the engine more peaky, more susceptible to wheelspin and wheelstands. That would be a lot of fun but not my style on the track. The dyno guy knows how I ride so we set it up for that.
The front caliper spacers are to allow for the disc spacing. The standard R1 disc fixing bolts hit the fork legs as the discs are so close to the forklegs. I had to recess them into the disc and machine a bit off the heads to make them clear. The disc determined the caliper location.
It took a fair bit of thought, measurement and fabrication to get the R1 wheels to fit but in the end it was perfect. I retained the beautiful rear caliper bracket, now have a 6" rear rim and a choice of 520 R1/R6 aftermarket sprockets.
I just bought another set of R1 wheels to make into wets. These have the 310mm discs so I may need to make another caliper bracket for the front. I lucked out with the 320s on my first set of wheels as these only came out on 2 years of R1s so not all that common. |
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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Fri Jun 29, 2018 12:24 am Post subject: |
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Bud977 wrote: |
That's where it makes max power. I can rev it further if I want. 145 rwhp on pump fuel.
We could have tuned it for more power on the dyno but it would have made the engine more peaky, more susceptible to wheelspin and wheelstands. That would be a lot of fun but not my style on the track. The dyno guy knows how I ride so we set it up for that.
The front caliper spacers are to allow for the disc spacing. The standard R1 disc fixing bolts hit the fork legs as the discs are so close to the forklegs. I had to recess them into the disc and machine a bit off the heads to make them clear. The disc determined the caliper location.
It took a fair bit of thought, measurement and fabrication to get the R1 wheels to fit but in the end it was perfect. I retained the beautiful rear caliper bracket, now have a 6" rear rim and a choice of 520 R1/R6 aftermarket sprockets.
I just bought another set of R1 wheels to make into wets. These have the 310mm discs so I may need to make another caliper bracket for the front. I lucked out with the 320s on my first set of wheels as these only came out on 2 years of R1s so not all that common. |
I remember your build thread well Bud, really enjoyed keeping up with your progress. It was a lot of work but you did a great job. _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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Bud977
Joined: 03 Mar 2013 Posts: 525 Location: Sydney
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Posted: Fri Jun 29, 2018 10:04 pm Post subject: |
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Thanks Brian. I'll have to get back to making the two piece closed in fairing, and the RGV250 resto, and the RD350LC resto, and the TZ250 fairings and........ |
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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Sat Jun 30, 2018 12:35 am Post subject: |
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Bud977 wrote: |
Thanks Brian. I'll have to get back to making the two piece closed in fairing, and the RGV250 resto, and the RD350LC resto, and the TZ250 fairings and........ |
Ahh projects
I’ve had plenty of spare time to work on my many projects! Been off work for 7 weeks now and sat at home.... only problem is I can’t do a damn thing _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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Jgmansfield
Joined: 11 Aug 2017 Posts: 13 Location: NYC
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Posted: Sat Jul 07, 2018 2:51 am Post subject: |
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Ah, the YB8!
There was one for sale last year with almost no miles, wish I’d had the cash.... what a bike! Pinnacle of Bimota bikes in my opinion.
One day! _________________ Bimota YB7
748R
NSR250
NSR500 Rothmans (rep)
YZR500 Norik Abe (rep)
YZR500 Max Biaggi (rep) |
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Jgmansfield
Joined: 11 Aug 2017 Posts: 13 Location: NYC
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Posted: Fri Jul 13, 2018 11:22 am Post subject: Brembo front master replacement |
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So it’s done, the correct Brembo front master is 16 x 18, or 16mm by whatever lever ratio you want, the important number is 16mm. Installed it yesterday and have great feel and one finger braking. The “wooden” feel is from too large a master for the caliper, 18mm etc, I did this on the YZR, Loads of power but dangerously wooden and no feel.
Thanks for all the great advice!
James _________________ Bimota YB7
748R
NSR250
NSR500 Rothmans (rep)
YZR500 Norik Abe (rep)
YZR500 Max Biaggi (rep) |
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Bud977
Joined: 03 Mar 2013 Posts: 525 Location: Sydney
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Posted: Fri Jul 13, 2018 9:53 pm Post subject: |
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Well done.
On another tangent, I saw the latest work-in-progress by Mick Costin this week - another NSR500 replica. He does great work The handmade swingarm is exquisite. The custom frame looked like it was based on Honda spars. RD500 engine. The bodywork has been done and painted to a high standard as you would expect. Nice. |
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2bims
Joined: 03 Apr 2010 Posts: 7292
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Posted: Sat Jul 14, 2018 10:17 am Post subject: |
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who wrote: |
Great article and vid. What a beast!
I've got a bit of Dohan here as well! His oran park 2x win WSK FZR750. Which i think were his first world championship career wins, and certainly kick started his international career.
I've been collecting parts to complete it for years (it's all works stuff) and I'm happy to say I nearly have everything I need to get started on the build.
I need a kit 88 FZR swingarm peeps? Anyone?? but that is about it!
Cheers |
Whats a "kit" 88 version? As in Race kit?...seems plenty of swingarms in the UK...although I'd have no idea which was what
https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313.TR12.TRC2.A0.H0.Xfzr1000+swingarm.TRS0&_nkw=fzr1000+swingarm&_sacat=0 |
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who
Joined: 10 Nov 2010 Posts: 402 Location: Melbourne Australia
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Posted: Mon Jul 16, 2018 10:43 am Post subject: |
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Hi Steve, Similar to this. No anodizing and heavily modified and braced. This one is FZ750.
This the frame,
Forks are billet showa, for 40 mm goldlines. (Adapters for OW01 calipers go) Adjustable offset magesium triples etc.
A recently acquired Yec kit exhaust ... The tail pipe sections are formed from from flat sheet, and formed into round sections (just because they can)!
The list goes on. No part of the bike was oem.... all supplied by the Yamaha race department. Y.E.C.
Not Bimota, but pretty cool! |
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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Tue Jul 17, 2018 12:43 am Post subject: |
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Wow, that’s gorgeous stuff mate! _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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