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franky
Joined: 06 Sep 2008 Posts: 45
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Posted: Tue Feb 09, 2016 11:04 pm Post subject: SB7 restoration de-hibernation |
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Well I bought a bimota sb7 and yb8 evo. I only wanted the sb7 but they came as a pair....
So knackered batteries, replaced, only bimota would put a battery where you have to remove the front fairing and steering damper...
Once fitted I tried to start it. It pissed fuel at 3 bar out of a couple of perished hoses.
<iframe width="420" height="315" src="https://www.youtube.com/embed/ARYgxhu4CJE" frameborder="0" allowfullscreen></iframe>
https://youtu.be/ARYgxhu4CJE
Second time it did the same.
Third time it started and ran great, however it decided to take a piss all over the floor. Not really impressed, didn't think it was the headgasket, the radiator didn't get very warm so time to strip it down. Lots of old crud came out, system flushed. Thermostat tested, not gravy, it was stuck fast.
Boiled it for 20 mins, banged loads of shit out, repeat, now it works fine. Refit to the bike and put some stuff in as a flush.
Go to start the bike, it wont. Remove old alarm
charge batteries, and it runs a treat. I don't really get the batteries, I put them in as they came out, however its in series so you get 24v, charges at 14.4v. I think they should be parallel so only giving out 12v?
Bike now warms up properly, fan kicks in and it cools down. Happy bunny.
https://youtu.be/b1dZgYPwTGo
<iframe width="560" height="315" src="https://www.youtube.com/embed/b1dZgYPwTGo" frameborder="0" allowfullscreen></iframe>
I'm going to stick with the fuel injection, it seems to work well on this bike, I think there's a way of splicing an older power commander in to tweak the fueling further. |
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Evilchicken0
Joined: 12 May 2010 Posts: 2996 Location: London
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Posted: Wed Feb 10, 2016 10:21 am Post subject: |
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The batteries are parallel aren't they ?
_________________ Don't read everything you believe |
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vort28
Joined: 22 Mar 2010 Posts: 2194 Location: Northwest , UK
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Posted: Wed Feb 10, 2016 1:22 pm Post subject: |
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There is 2 different set ups for SB6/7.
2x6v batteries in series or 2x12v in parallel , but as EC says, from your pictures the sb7 is in parallel.
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franky
Joined: 06 Sep 2008 Posts: 45
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Posted: Wed Feb 10, 2016 1:44 pm Post subject: |
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They've been put in series, should be parallel!
I thought it was wrong but put new ones in as they came out...... |
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vort28
Joined: 22 Mar 2010 Posts: 2194 Location: Northwest , UK
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Posted: Wed Feb 10, 2016 2:16 pm Post subject: |
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Just blown picture up and I was missing the far right connection. Thought the batteries were pushed together but the right hand one is out of position , isn't it ?
So as I see it the connections are thus
Is that correct ????
If so you have the early set up which is 2x6v batteries, so you either need to get 2 new batteries or get negative loop made for the negative.
Later 2x12v is this
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Evilchicken0
Joined: 12 May 2010 Posts: 2996 Location: London
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Posted: Wed Feb 10, 2016 6:09 pm Post subject: |
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I don't have a picture of my batteries but as you sit on the bike looking at the clocks
Left battery Negative pole = Main earth and short negative cable
Left battery Positive pole = short positive cable
Right battery Negative pole = short negative cable
Right battery Positive pole = Short positive cable Main positive
I've also got other bits attached to the positive
Vort - In the picture, you cant see the negative on the right battery because the fuse box is in the way _________________ Don't read everything you believe |
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vort28
Joined: 22 Mar 2010 Posts: 2194 Location: Northwest , UK
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Posted: Wed Feb 10, 2016 6:25 pm Post subject: |
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Just to make things 100% clear.
Later parallel twin 12v batteries connections. Connections part hidden by fuse box have 'jump' cables only connected to them and obviously +ve battery jump connections go to +ve on second battery , and -ve to -ve.
Used blue for -ve as black don't show up to well on black dash. Obviously this set up requires 2 short extra 'jump' cables.
I can get a picture of my other SB6 at the weekend that has a single jump cable and 2x6v batteries in series if anyone interested. |
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Evilchicken0
Joined: 12 May 2010 Posts: 2996 Location: London
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Posted: Wed Feb 10, 2016 6:32 pm Post subject: Re: SB7 restoration de-hibernation |
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franky wrote: |
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My steering damper was on the other side _________________ Don't read everything you believe |
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brian
Joined: 22 Aug 2011 Posts: 3772 Location: Australia
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Posted: Fri Feb 12, 2016 11:02 pm Post subject: |
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Yeah as said above, check if you've got 6v or 12v batteries, then you'll know if they should be in series or parallel. The damper on my 6 is on the right side too, maybe the 7's were different? 7 dash is different too _________________ '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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brian
Joined: 22 Aug 2011 Posts: 3772 Location: Australia
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Posted: Fri Feb 12, 2016 11:03 pm Post subject: |
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Could always put a single Lithium Ion battery in I guess _________________ '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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djk
Joined: 20 Sep 2011 Posts: 141 Location: New Zealand
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Posted: Sat Feb 13, 2016 12:25 am Post subject: |
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My SB7 has the damper on the left side too but cant remember the battery lay out as im not at home at the moment.
Your lucky with the fuel injection as it seems to be a weak point at anything below 6000 revs on mine and I know of another SB7 that was road tested by a member here and he said it was almost unrideable. Of course they did primarily make this bike as a race bike for Supers of the day so riding around in the low rev range wasn't a major concern.
Getting a bike up and running again after a long rest period is always a joy as there is always something else to do.
And be careful with the radiator cap, mine got a little squashed last year and there are no replacements, I had to get a new neck made up as sourcing a cap with the right pressure rating was almost impossible. The one of KTM350SXF was an exact fit but at double the pressure rating it wasn't a good idea to fit.
My bike doesn't have that black steel tubing on top of the exhausts either or the hollow plates on the foot rests, mine are solid. Typical Bimota, same bike but different. |
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franky
Joined: 06 Sep 2008 Posts: 45
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Posted: Sat Feb 13, 2016 11:13 am Post subject: |
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I need to get some cable so I can make link cables that reach, also try and re-route the cables.
The black tube on the exhausts is where the bodywork bolts on. It'd be good if you could put some pics of yours up to help me work out what should be where etc.
I did get lucky with the fueling on this one, pics up amazingly well(as you can see/hear). |
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djk
Joined: 20 Sep 2011 Posts: 141 Location: New Zealand
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Posted: Sun Feb 14, 2016 5:08 am Post subject: |
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Whoops had a blond moment, ive been looking at the bike for two months with just the exhausts showing so I had a look under the seat piece and yup sure enough the black tube was there.
Unfortunately im one of those computer inept people who struggle to get my head around loading photos on here. |
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