Gen 2 wheels

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   Am I correct in thinking that gen 2 OZ wheels will need 1mm skimming off? Is this from the disk mounting face?
Cheers,
Mark

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Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Topic: Gen 2 wheels Posted: 30 May 2019 at 11:41
	Am I correct in thinking that gen 2 OZ wheels will need 1mm skimming off? Is this from the disk mounting face? Cheers, Mark

Diablo Members Profile Send Private Message Find Members Posts Add to Buddy List Premium Member Joined: 29 Sep 2010 Location: Narrowboat, Ely Status: Offline Points: 2994	Post Options Post Reply Quote Diablo Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 14:11
	Do you mean for gen 2 OZ wheels going on Gen 1? Axial or radial forks?
	Question everything.

Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 15:48
	Yes gen 2 OZ wheels on gen 1 axial forks 👍

redratbike Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group The Collector Messiah Joined: 07 May 2008 Status: Offline Points: 15566	Post Options Post Reply Quote redratbike Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 16:51
	2.5mm from the disc mounting face each side
	www.apriliaperformance.co.uk www.apriliaforum.co.uk www.apriliaownersclub.co.uk

Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 17:39
	Cheers 👍 is that to centre the disk in the calliper? Mark

IanG Members Profile Send Private Message Find Members Posts Add to Buddy List Premium Member Joined: 04 Oct 2010 Location: N Wales Status: Offline Points: 10321	Post Options Post Reply Quote IanG Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 19:36
	Yup Although why people don't just space the calipers I don't know I would think as it's only the area of a washer contact on both fasteners that it would be just as effective and safe.
	www.apworkshops.co.uk www.apriliaforum.co.uk www.apriliaownersclub.co.uk Looking forward to the next track day

Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 20:20
	That’s what I was thinking 4 x 2.5mm shims on the bolts between the calliper and the mount would work out the same? Obviously skimming the wheel would be the only way with radial callipers.

IanG Members Profile Send Private Message Find Members Posts Add to Buddy List Premium Member Joined: 04 Oct 2010 Location: N Wales Status: Offline Points: 10321	Post Options Post Reply Quote IanG Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 20:45
	I can't think of a reason why it shouldn't work perfectly, it's just that conventional thinking says you have to mill/turn the wheels down? As a precision engineer for 50 years I can't think of any reason why I wouldn't do this to fit later wheels. No way would I attempt machining the hubs,too much chance of inaccuracy and then the wheels would need shimming for their original purpose. I would use custom stainless spacers though, not just any old washers
	www.apworkshops.co.uk www.apriliaforum.co.uk www.apriliaownersclub.co.uk Looking forward to the next track day

Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 20:52
	yes me too, if I do get the wheels I’m after then I’ll have some made 👍 got to be cheaper and easier and as you say reversible

426hemi Members Profile Send Private Message Find Members Posts Add to Buddy List Premium Member owner of the big bore! Joined: 30 Mar 2012 Location: cannock Status: Online Points: 5003	Post Options Post Reply Quote 426hemi Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 22:20
	The calipers on an axial front end bolt onto the back of the fork leg so you would have to machine the caliper mounting face or the rear of the fork leg.

Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 23:24
	wouldnt that be doing the opposite of what we are aiming for? By removing 2.5mm from the wheel we are moving the disc closer to the centre line of the wheel but if we removed metal from the callipers or mounting face of the forks aren't we moving the calliper a way from the centre line making the misalignment worse?

426hemi Members Profile Send Private Message Find Members Posts Add to Buddy List Premium Member owner of the big bore! Joined: 30 Mar 2012 Location: cannock Status: Online Points: 5003	Post Options Post Reply Quote 426hemi Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 23:30
	You either have to machine the wheel to pull the disc in to line with the caliper or machine the caliper mounting face to pull the caliper out to line up with the disc.

Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Posted: 30 May 2019 at 23:40
	yes thinking about it that makes sense

IanG Members Profile Send Private Message Find Members Posts Add to Buddy List Premium Member Joined: 04 Oct 2010 Location: N Wales Status: Offline Points: 10321	Post Options Post Reply Quote IanG Report Post Thanks(0) Quote Reply Posted: 31 May 2019 at 08:51
	Doh 😔 Just throwing the idea out there to see if anyone was awake! Congrats, you all passed the test and immediately picked up on the obvious flaw. Cough. I blame the fact I've not looked at axial calipers for years. Thought it was strange nobody thought of it before.
	www.apworkshops.co.uk www.apriliaforum.co.uk www.apriliaownersclub.co.uk Looking forward to the next track day

Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Posted: 31 May 2019 at 14:16


Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Posted: 07 Jun 2019 at 23:56
	Right I’ve had a cockup that’s forced me to have a rethink. I was intending using a gen1 tuono top yoke but the one I had was for ohlins forks and s little tatty so I had the fork holes machined to accept showa legs. However they’ve screwed it up so it’s now scrap! My question was if I use a complete set of gen2 yokes will that get around the need to machine the OZ wheel? I’m presuming that they space the forks 5mm further apart? Ya, Matk

Pan Members Profile Send Private Message Find Members Posts Add to Buddy List Moto3 racer Joined: 11 Sep 2018 Location: Liverpool Status: Offline Points: 59	Post Options Post Reply Quote Pan Report Post Thanks(0) Quote Reply Posted: 08 Jun 2019 at 00:53
	Ignore that I’ve found my answer, the gen2 hub is 5mm wider between disc faced so back to the drawing board 🙄 Mark