chockymonster
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| posted on 17/7/06 at 11:21 AM |
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AIS Removal
I've removed the AIS gear from my '02 R1 engine, currently the 4 ports above the exhaust ports are open to the air.
The holes look to be about M8 in size but my tap doesn't seem to want to know anything about cutting a thread in them. I don't have access
to any welding stuff to be able to seal the pipes up.
I was thinking of cutting the pipes and using something like liquid metal to seal them, before I start butchering can anyone offer other ideas?
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Coose
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| posted on 17/7/06 at 11:59 AM |
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Have a look here.
You don't need to remove it.....
Spin 'er off Well...
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chockymonster
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| posted on 17/7/06 at 01:48 PM |
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I know I don't need to remove it, but it's extra weight and with it gone it's much cleaner around there, plus it's another
couple of pounds I don't have to lose 
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Coose
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| posted on 17/7/06 at 02:40 PM |
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Fair comment! 
Yamaha supply the plugs in their R1 race kit.
The other option is to tap the stubs and plug them with a bolt, but they're made from a very hard material.
Have a look here under 'Engine Preparation'.
Spin 'er off Well...
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Coose
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| posted on 17/7/06 at 02:43 PM |
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Have a look here at the YEC parts list and prices. A set of four
AIS plugs works out at 30-odd quid....
Spin 'er off Well...
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another_dom
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| posted on 17/7/06 at 05:27 PM |
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I have just tapped the AIS ports on a Fazer 1000 using a brand new high quality M8 taper (No 2) tap. Threads cut OK, though it was tight. That said,
I was using copper grease instead of cutting compound and breaking off the swarf more regularly than usual. The ports are sealed with stainless
button heads but I may need to add some copper crush washers for sealing.
Failing that, how about using a 5/16" tap?
Good luck,
Dom.
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chockymonster
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| posted on 17/7/06 at 05:29 PM |
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quote:
Originally posted by another_dom
high quality M8 taper (No 2) tap
That maybe my problem. I get the feeling my taps are only good enough to clean a thread!
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