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John Walker uprated battery leads

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Fitz View Drop Down
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    Posted: 28 Jul 2015 at 13:26
Hi all,

Saw a thread on the aprilia performance Facebook page about some uprated battery leads on ebay and a John Walker was mentioned and that his battery leads where far superior plus cheaper, there was also a mention of rsvr.net, so does anybody know of these such items or know how to contact John Walker?

Cheers Fitz
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Rybes View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rybes Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jul 2015 at 13:46
He's johnboy on ere and the pic of the leads are for me. When they turn up I'll be showing off
ive just got my first vtwin and i think i got the right one
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Johnboy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johnboy Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jul 2015 at 19:19
Hello, I'm the guilty party, what are you after Fitz?
Gen 1's have 3 or4 cables, depending if they've had an extra rear subframe negative added.
PM me details and we'll get you sorted.
Gen1, 4 cable kit with Aux for 30 Amp fuses, below.

Cheers, Johnboy.
[IMG][/IMG]
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IanG View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jul 2015 at 20:06
Very nice John Clap

Put me on the list for a set of the 3 new ones when you have time please? 

 It would be rude not have the full set Wink
www.apworkshops.co.uk
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Looking forward to the next track day
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Johnboy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johnboy Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jul 2015 at 20:17
Will do Ian, so that's to complement the starter to solenoid you have already, yes?
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IanG View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jul 2015 at 20:46
Yes please,I feel I'm missing out without the complete set of super cables LOL
www.apworkshops.co.uk
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Post Options Post Options   Thanks (0) Thanks(0)   Quote muzza2988 Quote  Post ReplyReply Direct Link To This Post Posted: 12 May 2017 at 08:38
Hello

Do you still do these cable upgrades and for a gen2?

Thank you
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Johnboy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johnboy Quote  Post ReplyReply Direct Link To This Post Posted: 12 May 2017 at 08:59
Originally posted by muzza2988 muzza2988 wrote:

Hello

Do you still do these cable upgrades and for a gen2?

Thank you
with

Yes of course!
Gen 1, RSV &Tuono
Gen2, RSV & Tuono
Falco,
Caponard
Shiver
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Johnboy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johnboy Quote  Post ReplyReply Direct Link To This Post Posted: 12 May 2017 at 09:00
Originally posted by Johnboy Johnboy wrote:

Originally posted by muzza2988 muzza2988 wrote:

Hello

Do you still do these cable upgrades and for a gen2?

Thank you
with

Yes of course!
Gen 1, RSV &Tuono
Gen2, RSV & Tuono
Falco,
Caponard
Shiver

Oh and not to forget hot start issues with v4's
So RSV4 and Tuono
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stegedman Quote  Post ReplyReply Direct Link To This Post Posted: 12 May 2017 at 09:00
Mine r on order from john now to go with my upgrade starter solenoid from griff, hoping this cures my start up issues,
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Post Options Post Options   Thanks (0) Thanks(0)   Quote muzza2988 Quote  Post ReplyReply Direct Link To This Post Posted: 12 May 2017 at 09:13
Whats the price John for a gen2 I have electrical issues so think it maybe best to just change everything for new lol
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IanG View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 12 May 2017 at 10:01
You might do better to email John direct at his " copperkits@yahoo.com " address as he's not on here much these days.


Also I have a feeling he may be working away from home atm


www.apworkshops.co.uk
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Looking forward to the next track day
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Post Options Post Options   Thanks (0) Thanks(0)   Quote muzza2988 Quote  Post ReplyReply Direct Link To This Post Posted: 12 May 2017 at 10:44
I'm in no rush and thank you will give him a shout
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johnboy Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2017 at 09:37
Back now! I've been in Worthing this week, I think I've caught up with everyone now, and a few kits being posted out this morning.
Thanks gents 👍🏼
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Post Options Post Options   Thanks (0) Thanks(0)   Quote purehavok Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2017 at 11:47
Hey john, just a question. Do you replace any of the earths inside the loom itself? A lot uprate only one side of the loom but neg never gets looked at, and we know how current really travels.

On mine i have a 10mm2 link wire from the rear cylinder where the main earth is to the front right cylinder by the starter. Just did it because i could. Is there anything else you have come across undersized?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johnboy Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2017 at 12:41
Originally posted by purehavok purehavok wrote:

Hey john, just a question. Do you replace any of the earths inside the loom itself? A lot uprate only one side of the loom but neg never gets looked at, and we know how current really travels.

On mine i have a 10mm2 link wire from the rear cylinder where the main earth is to the front right cylinder by the starter. Just did it because i could. Is there anything else you have come across undersized?


Hi, you're absolutely correct, the negative is just as important as the positive.
In my kits replace both sides, positive and negative, I will assume you have a Gen1, or Gen 2, as they both should have a negative connection to the rear cylinder casing. Gen 1 then connects to the frame, and another cable up to the negative battery terminal. Gen2, just goes to the battery.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johnboy Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2017 at 12:49


So the busbar sand cables are treated the same in the complete circuit, along with the requested Optimate auxiliary terminals.
I've seen people adding an extra cable cable from the positive solenoid terminal to the starter on V4's to help the hot start issue some of them have. That really isn't recommended as it's going to overload the rest of the cables that haven't been upgraded.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote purehavok Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2017 at 17:44
Yes gen2, straight off the rear cylinder where the main earth is off battery. I just added another from that to the front. Not that its needed because it isnt. I just went over the top.

I wonder why they took the frame earth out on the gen2. Just relying on the engine mounting i suppose.

Those cables are mint.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johnboy Quote  Post ReplyReply Direct Link To This Post Posted: 13 May 2017 at 17:52
Originally posted by purehavok purehavok wrote:

Yes gen2, straight off the rear cylinder where the main earth is off battery. I just added another from that to the front. Not that its needed because it isnt. I just went over the top.

I wonder why they took the frame earth out on the gen2. Just relying on the engine mounting i suppose.

Those cables are mint.


Gen 2 cables are down from 12mm2 - (Gen 1) to 10mm2. And less cables, can you see that Aprilia had a new accountant maybe?
So 10mm2 cable can carry around 85 Amps continuous, and around double that during a short circuit overload, which is typical of the first second of starting your bike. See where this is going, and why I designed mine with 16mm2 instead?
16mm will carry 110AMPS continuous and double that in short circuit situation, or during starting.

Thanks for the compliment 😊
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dog78 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jun 2017 at 12:58
Originally posted by IanG IanG wrote:

Yes please,I feel I'm missing out without the complete set of super cables LOL

Hi Ian, haven't you got some, they are incredible. They cured my hot start problems because of the the hotter Brisk plugs.
They will complement that lithium battery well, worth every penny and more.
Here John, how you getting on with the camera?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jun 2017 at 13:14
Yes,both bikes converted now Thumbs Up

At the time of that post I only had the uprated starter lead
www.apworkshops.co.uk
www.apriliaforum.co.uk
www.apriliaownersclub.co.uk

Looking forward to the next track day
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fixitbaz Quote  Post ReplyReply Direct Link To This Post Posted: 03 Oct 2019 at 22:05
Hi John

Do you still supply these battery cable update kits for the gen 1
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Johnboy Quote  Post ReplyReply Direct Link To This Post Posted: 03 Oct 2019 at 22:36
Hello, yes we certainly do, and they're in stock at the Aprilia Performance shop if you'd like a set. Thanks for asking! 
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