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Gen 2 Chinese rear sets

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Horseheed View Drop Down
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    Posted: 26 Oct 2020 at 19:09
I am considering fitting Chinese rear sets on my Gen 2 Rsvr mainly to relocate the slave cylinder so I can have a working back break. Any info on quality / fitment would be much appreciated , I would love some of the more well known makes but funds won’t allow it   Cheers  Nigel
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wigginsjp Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2020 at 21:37
Hi 

What’s your budget? 

All I’ve noticed on Chinese stuff is the Alloy tends to be okay these days (used to be very flexible) with cheapish steel fittings. Some have got better with stainless fittings of late, but still seems soft and the heads can round off even with correct (manufacturers) torque settings. 

You can still achieve a good pedal on the standard set up or stick some off and RSV4 on instead? You get the master in a decent place. I think you need to do the odd bit of spacing out however the cost of those you can get a Chinese set comfortably 

Rob Watkins stuck some on his Gen2 Tuono and I can’t recall him having issue in fitting. Worth a google 



Aprilia RSVR Factory 2007 V2 1060cc Big Bore
Aprilia RSVR Factory 2004 Race Bike
Kawasaki ZX10R 2007 Race Bike
Aprilia Tuono V4 1100 Factory 2020
www.apriliaperformance.co.uk
www.apworkshops.co.uk
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wigginsjp Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2020 at 21:39
Aprilia RSVR Factory 2007 V2 1060cc Big Bore
Aprilia RSVR Factory 2004 Race Bike
Kawasaki ZX10R 2007 Race Bike
Aprilia Tuono V4 1100 Factory 2020
www.apriliaperformance.co.uk
www.apworkshops.co.uk
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Horseheed View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Horseheed Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2020 at 09:18
Thanks for the info and link mate , that’s what Iam trying to achieve , my budget is going to be around £100. Am I right in thinking rsv 4 rearsets fit ?  Cheers
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wigginsjp View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wigginsjp Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2020 at 09:26
From that post yes either RSV4 or the V4 Tuono ones will go on. 
You can always trim off the exhaust hanger on the right foot rest if it bothers you or it’s in the way 

There is some more images on google of Gen2’s with V4 foot rests so worth a look 

Aprilia RSVR Factory 2007 V2 1060cc Big Bore
Aprilia RSVR Factory 2004 Race Bike
Kawasaki ZX10R 2007 Race Bike
Aprilia Tuono V4 1100 Factory 2020
www.apriliaperformance.co.uk
www.apworkshops.co.uk
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blacklines View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2020 at 09:39
I'm not positive relocating the master cylinder makes any difference to a well bled system. I've had it both ways and having gone back to the stock location haven't seen the rear brake drop off at all. Think half the time it's just getting it bled. There were some cases on AF1 of dodgy masters that when replaced (still in stock location) then worked. But for most of us I think a good bleed will sort it. This is all I do: https://www.apriliaforum.com/forums/showthread.php?15500-Recurring-Clutch-and-Rear-Brake-Issues
Owen
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2020 at 11:25
I'll echo what Owen just said Clap

I also have both currently and see no benefit at all braking wise having relocated the rear master,the action is still as good and reliable even when it's moved

Bleeding simple hydraulic systems seems to be a lost art these days.

As I see it the only benefits that come from rearsets is getting more peg adjustability


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Looking forward to the next track day
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Spoonz Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2020 at 11:46
Depends on the bike. 

Never had a problem on the gen1’s but on the gen2 Rsv where the m/c was attached to the engine directly, next to the collector and behind a fairing, I had plenty of problems. Aprilia recognised it was a bad idea by a) trying to improve it via a heat shield and b) never doing it again on any model since. The heat would soften the m/c seals to the point they would distort and allow air ingress past the shaft. The dealer fitted new parts under warranty but could never fix it and bleeding was purely temporary. I didn’t ever touch it again after relocation to Gilles rearsets using exactly the same braking components. The only difference was removing the heat sink ( the engine)

They had the same problem with the first radial clutch m/c which had 3 revisions of seals before they fixed it.  Again heat soak into the slave caused the issue with the seals. 




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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2020 at 12:15
I hear of many people having issues,in fact it seems to be some sort of excepted urban myth by now that Aprilia rear brakes don't work.

I have both Gens, 1 and 2 but the 2 is a Tuono so probably not as prone then due to smaller bellypans? 

Bleeding still seems to be an issue for many though for some reason

Originally posted by Spoonz Spoonz wrote:


They had the same problem with the first radial clutch m/c which had 3 revisions of seals before they fixed it.  Again heat soak into the slave caused the issue with the seals. 



I remember the radial pump issues but I struggle to understand how heat soak in the slave caused seals in the master on the bars to distort Confused

They must have been using some sort of marshmallow for the seals surely?
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www.apriliaforum.co.uk
www.apriliaownersclub.co.uk

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Spoonz Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2020 at 16:40
Re the clutch m/c, if you look on af1 around 2004, I think it might have been Amauri who took temp readings of the slave in traffic.  I can’t remember the temp but it was pretty high. That heats the fluid and seals etc. The brake m/c seals are identical to the clutch but never had an issue as the heat is periodic whereas the clutch is constant 

I used to be a service agent for rock shox and marzocchi in my mtb days and rock shox had a major issue with their cartridge forks for a similar reason. Hot oil, softening seals and the oil would pee out and air in. I spent many an hour replacing cartridges on their forks only to do it again a month later until they modded the cartridge. For months they blamed it on manufacturers or service agents not bleeding the cartridge correctly . I knew it was bollocks as I rebuilt mine submerged in oil so there was no way air was in there.  

I’m sure there are some that don’t have great bleeding technique and some bikes may escape issues  but the fact it needs bleeding at all and that so many suffer issues suggests there is a problem out of the norm.  I doubt if many bikes brake fluids get touched at all year on year unless they use dealers and they have no air ingress. 

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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2020 at 17:24
That might have been what I saw on AF1. I guess it was gen 2 vs gen 1. Rather than just hit and miss some bikes have issue, some don't. Didn't realise they were mounted differently. If that's the case then, what I said only applies to my gen 1. 
Owen
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 426hemi Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2020 at 19:03
The rear brake mc on my 1200 multistrada was exactly the same, bolted on the engine and pretty much useless after a few miles.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BJL Quote  Post ReplyReply Direct Link To This Post Posted: 29 Oct 2020 at 01:19

On a hundred dollar budget you are not changing much. I had no end of issues with my rear brake. In the end I sucked it up and bought an Accossato thumb brake. It was a revelation. I'll never use a standard foot brake master cylinder again. So easy to make the switch and you have so much better feel and modulation in your thumb. Its now my traction control and anti wheelie button too. Best mod I ever did. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 29 Oct 2020 at 09:00
Not cheap though are they. If it's just getting the master off the engine then chinese sets should do you'd think. 

I've seen on Gabro's race bike he had a 2nd clutch lever and master for the rear brake and then just had the clutch sticking up at an awkward angle. That gave it a rear brake like a scooter with much more control, at the expense of it being annoying at starts. Be a decent middle ground for the track probably if you can't stretch to a thumb brake.
Owen
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Post Options Post Options   Thanks (0) Thanks(0)   Quote constant Quote  Post ReplyReply Direct Link To This Post Posted: 29 Oct 2020 at 13:47
i think i read years ago that r6 rear sets fit but not sure gen 1 or 2 give it a google and see if anything comes up
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Horseheed Quote  Post ReplyReply Direct Link To This Post Posted: 31 Oct 2020 at 13:38
Many thanks for all the help and advice, it looks like rearsets is the way to go. Cheers All
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Post Options Post Options   Thanks (0) Thanks(0)   Quote redratbike Quote  Post ReplyReply Direct Link To This Post Posted: 31 Oct 2020 at 16:18
Originally posted by constant constant wrote:

i think i read years ago that r6 rear sets fit but not sure gen 1 or 2 give it a google and see if anything comes up
no crap rumour put out by me no truth in it 

FAKE NEWS !!!


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Post Options Post Options   Thanks (0) Thanks(0)   Quote wigginsjp Quote  Post ReplyReply Direct Link To This Post Posted: 31 Oct 2020 at 16:28
Aprilia RSVR Factory 2007 V2 1060cc Big Bore
Aprilia RSVR Factory 2004 Race Bike
Kawasaki ZX10R 2007 Race Bike
Aprilia Tuono V4 1100 Factory 2020
www.apriliaperformance.co.uk
www.apworkshops.co.uk
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