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Macx2
Joined: 03 Dec 2011
Posts: 44
Location: Wide Bay Queensland Australia
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 Posted: Fri Apr 12, 2013 5:57 am Post subject: SB2 Query |
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I have just had a look inside the engine of my SB2 and found Yoshimura pistons and camshafts. I would like to know if this tuning was done by the factory and if so how many were built in this form?
Ian |
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Evilchicken0
Joined: 12 May 2010
Posts: 2996
Location: London
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| Posted: Fri Apr 12, 2013 9:15 am Post subject: |
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An SB2 was most likely supplied as a kit to somebody so it's probably done by an owner or the original builder.
Nice find though 
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Macx2
Joined: 03 Dec 2011
Posts: 44
Location: Wide Bay Queensland Australia
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| Posted: Sat Apr 13, 2013 7:18 am Post subject: |
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From what I can make out the factory made quite a fair proportion of the bikes as complete machines and I was interested in finding out if they modified any engines during production. They certainly did later on with other models as we know.
Ian |
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brian
Joined: 22 Aug 2011
Posts: 3769
Location: Australia
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| Posted: Sat Apr 13, 2013 7:37 am Post subject: |
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When did Yoshi begin making their upgrade kits? I wouldn't have thought they were around when the sb2's came out.
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'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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Macx2
Joined: 03 Dec 2011
Posts: 44
Location: Wide Bay Queensland Australia
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| Posted: Sat Apr 13, 2013 8:26 am Post subject: |
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Brian,
Pops Yoshimura was into the American racing scene in the mid-seventies. I think parts were available for street bikes such as Kawasaki and Honda and when Suzuki started four strokes he started working on them and had the likes of Steve Maclaughlin and Wes Cooley racing for him. So I will have to see if I can get some period magazines such as Cycle etc., to find out more.
Ian |
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moikl
Joined: 20 Oct 2010
Posts: 35
Location: Colchester Essex
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| Posted: Thu Apr 18, 2013 10:11 am Post subject: |
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I have SB2 and Yoshimura specifications and partslists from Dixon Racing dated 1979/80.I can scan these but attaching the file will be tricky for me ,if you are patient,it may happen.
Best wishes.
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brian
Joined: 22 Aug 2011
Posts: 3769
Location: Australia
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| Posted: Thu Apr 18, 2013 12:55 pm Post subject: |
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| Macx2 wrote: |
Brian,
Pops Yoshimura was into the American racing scene in the mid-seventies. I think parts were available for street bikes such as Kawasaki and Honda and when Suzuki started four strokes he started working on them and had the likes of Steve Maclaughlin and Wes Cooley racing for him. So I will have to see if I can get some period magazines such as Cycle etc., to find out more.
Ian |
Thanks for the info Ian. I didn't realize that yoshi had been around that long.
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'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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moikl
Joined: 20 Oct 2010
Posts: 35
Location: Colchester Essex
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