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Author Topic: Brodie's BSA: version 2 The Bsaki  (Read 951 times)

Offline Brodie

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Brodie's BSA: version 2 The Bsaki
« on: Apr 21, 2018, 02:23:30 »
Thought I would start a new thread as the old one got a bit full of crazy engine ideas and what not. So here we go.

I bought a BSA A10 frame and swing arm a few years ago, the original plan was to build a TriBSA out of it but I do not have the funds to buy a Triumph engine and BSA gearbox to suit. I could save like hell and buy them but I thought there had to be a better option.

A few years and engine ideas go past and I decided on a parallel twin with at least 50hp and a 6 speed gearbox.
After searching for some time I came across a written off Kawasaki Er5 which fitted the bill.

So the plan is to resto/mod the BSA to look like it should have come from the factory with that engine.

Instead of a TriBSA I will have a BSAki (bizarreki).
So far I have had a custom triple tree build so that I could fit GS550 forks that have ZX6 calipers and CBR1000 rotors. I am using a set of Boranni rims with stainless spokes on GS750 hubs. I have bought an original tank, toolbox and oil tank. I have test fitted the Er5 engine and everything look like it will be good to go. I will be able to adjust chain alignment with a custom sprocket carrier.
I'm not sure, but don't ask Brodie.

Way to many build and half done projects to list here.
Sr250, Gs750, Z50A, XV1100, A10, Z160A.

Offline MiniatureNinja

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #1 on: Apr 21, 2018, 13:01:46 »
this looks like a really fun and cool build - sub'd!
'82 BMW R65LS
'75 Honda CB360 - thread

Offline teazer

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #2 on: Apr 21, 2018, 13:21:29 »
Looks good Brodie. Lots of potential there. Will you need to spread the lower frame rails to drop the motor in, or is it close enough?  It may be deceptive but loos like it should be a touch taller.  Maybe go with slightly longer than stock rear shocks to get a small amount of static swingarm droop and slightly steeper rake.  Just doen't go overboard.  If yi are getting new triples, you could cut down offset to increase trail a little which will allow you to tip it's tail up a bit.

Offline Brodie

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #3 on: Apr 22, 2018, 00:03:14 »
I should get away without spreading the frame rails. Depends on where I need the counter sprocket in relation to the swing arm pivot. It is slightly above at the moment. I need to do a bit of research regarding that.

The top triple I had made up to fit a 35mm fork instead of the tapered original. I still need to drill fittings for the steering lock and bar risers. I also need to do some shaping on some of the corners. I have some GS750 fork stanchions if I need to raise the front but they are not as nice as the current set. I have already bought replacement rear shocks but am happy to swap them if need be.

Rake and trail are still somewhat of a mystery to me. I have heard of them, I know they have to do with the handling and I have see pictures, but I am yet to do any real research.

My plan is to use some of the ER5 frame to weld in a new crossmember before I cut out the old one. A keen eye would notice that this frame was already modified before I came across it. My best bet was that it was a bobber sometime in the 80s before it was pull apart. There is some extra brackets on the back bone which I assume are for coils, there is a hole in the backbone which looks like it was for front tank mounts and the rear engine mounts/front gearbox mounts have been cut off. It also has a brace with a mount welded across the front of the down tubes, my guess was an engine mount of some kind. The front seat mount has been moved back and there was what looked like a mount for a primary chain guard before I cut it off.

At the moment while I have the frame stripped I am going over all the shocking welds that have been done and fixing them up. Cleaning up some of them and removing unneeded add-ons.
« Last Edit: Apr 22, 2018, 03:41:41 by Brodie »
I'm not sure, but don't ask Brodie.

Way to many build and half done projects to list here.
Sr250, Gs750, Z50A, XV1100, A10, Z160A.

Offline Brodie

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #4 on: Apr 26, 2018, 19:33:32 »
Did a bit of polishing on the custom top yoke.
I'm not sure, but don't ask Brodie.

Way to many build and half done projects to list here.
Sr250, Gs750, Z50A, XV1100, A10, Z160A.


Offline canyoncarver

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #6 on: Apr 26, 2018, 21:18:25 »
Cool Brodie.  I'm glad you started a thread on this.
--

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more YZF750R's, the KZ's, a Zephyr750...and the unfinished 75' CB550 cafe.
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Online der_nanno

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #7 on: Apr 27, 2018, 03:23:42 »
THAT is the kind of heresy I like.  8)
Real freedom starts with the freedom of thought.

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Offline Brodie

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #8 on: Apr 27, 2018, 03:52:43 »
Thanks guys. I am not worried about what the restoration people will think. There are enough original A10s riding around. If I can save one from the scrap heap and build the bike I want that what is it to them.

I did a test fit to try and decide where I should drill to mount the bar risers. I ended up deciding high rise clip ons are the way to go. Might not be the m bars I was planning on but it will keep with the clean look I have decided to do.

I plan to run inverse levers and minimal controls on the bars. If I don't need to use it while riding I will wire it somewhere else. I am going to run internal cable and wiring and use Irk's idea of a remote front master cylinder. Not sure what to do for the headlight yet. I am going to use one with integrated indicators and I will use bar end indicators or something flush for the rear.
I am not required to have them but I would rather have them then not.
« Last Edit: Apr 27, 2018, 03:54:37 by Brodie »
I'm not sure, but don't ask Brodie.

Way to many build and half done projects to list here.
Sr250, Gs750, Z50A, XV1100, A10, Z160A.

Offline WhyNot

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #9 on: Apr 27, 2018, 06:55:00 »
Cool looking bike......
2006 Harley Davidson Heritage Softail
1975 Honda CB750K5 needs carb work
1974 Honda CB350F2 needs tins painted (being lazy)
1972 Honda CB175K2 roller no engine
1972 Honda CB/CL350 Engines need roller
1972 Honda SL350K2 Frame for above engine
1972 Honda CB100K2 needs kicker shaft
1990 Mitsubishi MM needs engine rebuild
1984 Dodge D50 Beater DD since 1997

Offline goldy

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #10 on: Apr 27, 2018, 07:58:34 »
I'm hooked already. Keep us posted Brodie...we'll be watching! :D
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1955 AJS 20B
1956 Triumph TRW
1968 Triumph T100 special
1969 Norton Commando
1975 XS650 Yamaha

Offline trek97

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #11 on: Apr 27, 2018, 08:41:58 »
Im in.

Offline Maritime

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #12 on: Apr 27, 2018, 10:22:41 »
Sign me up
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Offline Brodie

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #13 on: May 07, 2018, 00:24:21 »
Moved the seat bracket back to the original location today. The paint is just to keep it from rusting while I work on the frame.
I'm not sure, but don't ask Brodie.

Way to many build and half done projects to list here.
Sr250, Gs750, Z50A, XV1100, A10, Z160A.

Offline 3DogNate

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #14 on: Jun 06, 2018, 23:39:14 »
Watching... Love the Brit bikes.

Offline spotty

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #15 on: Jun 07, 2018, 02:01:47 »
looking good

for remote front m/c look for either R90S BMW or Z1R kwaka. prob got better chance with the BM but having said that i might know where there is a kwaka one. i'll do some investigation and maybe we can do a beer deal ( none of that filthy XXXX stuff though )

try these guys in melb for BM, they advertise having R90S parts wrecking now

 https://motorcycle-wreckers.com.au/bmwparts.htm
« Last Edit: Jun 07, 2018, 02:24:18 by spotty »
short fast loud, three things punk rock and vmaxs have in common

south of the border, down melbourne way

Offline MiniatureNinja

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Re: Brodie's BSA: version 2 The Bsaki
« Reply #16 on: Jun 07, 2018, 02:38:56 »
moto guzzi also for remote cylinder -  I got a Grimeca one for my project
'82 BMW R65LS
'75 Honda CB360 - thread