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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 11-11-2012, 10:09 AM   #1 (permalink)
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AI removal kits - rubber vacuum caps

I am considering AI removal on my EFI Scrambler. This kit comes with one rubber vacuum cap:
http://www.newbonneville.com/html/ai_removal_kit.html

This kit comes with four:
http://www.british-customs.com/briti...moval-kit.html

I like the New Bonneville kit better. Do I really need four vacuum stoppers for an EFI removal?
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Current: 2012 Scrambler, Bitubo forks, YSS shocks, Arrow 2-to-1, 33mm DB killer, TTP tune #4, Breathe, DNA filter; O2, AI, Airbox baffle, EVAP removed, Up-N-Over, Pivot Pegs, Ventura rack.

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Old 11-11-2012, 10:19 AM   #2 (permalink)
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Quote:
Originally Posted by tvscum View Post
I am considering AI removal on my EFI Scrambler. This kit comes with one rubber vacuum cap:
http://www.newbonneville.com/html/ai_removal_kit.html

This kit comes with four:
http://www.british-customs.com/briti...moval-kit.html

I like the New Bonneville kit better. Do I really need four vacuum stoppers for an EFI removal?
No you don't. The 4 stoppers are for carbed bikes. In fact you don't need any of those stoppers. Save some money and get 2 Nissan oil drain plugs for the cylinder head pipes and a plastic stopper from your local hardware store for the airbox plug.
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Old 11-11-2012, 11:17 AM   #3 (permalink)
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Originally Posted by Ripper View Post
No you don't. The 4 stoppers are for carbed bikes. In fact you don't need any of those stoppers. Save some money and get 2 Nissan oil drain plugs for the cylinder head pipes and a plastic stopper from your local hardware store for the airbox plug.
OK thanks!
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Current: 2012 Scrambler, Bitubo forks, YSS shocks, Arrow 2-to-1, 33mm DB killer, TTP tune #4, Breathe, DNA filter; O2, AI, Airbox baffle, EVAP removed, Up-N-Over, Pivot Pegs, Ventura rack.

Past: '83 Honda XR500; '84 Honda XL600; '86 Yamaha XT350
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Old 11-11-2012, 01:52 PM   #4 (permalink)
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the airbox plug size is 22mm and the nissan oil plug is 12x125 .
I think something like a Jack Daniels cork will fit aswell for the airbox.

Last edited by dam1; 11-11-2012 at 01:54 PM.
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Old 11-11-2012, 04:53 PM   #5 (permalink)
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Nissan part No 1112801M05
AI removal kits - rubber vacuum caps-imageuploadedbymotorcycle1352670759.066085.jpg




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Old 11-12-2012, 12:50 AM   #6 (permalink)
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All the shops and dealers around who carried the Nissan plugs (they are also the same plugs on most modern Nissan, Infinity and some Toyota cars), had them for about $7-9 each. Then you'd have to get a couple of crush washers at $2. So all told, I was spending around $18-20 on DIY kit. I just opted for the New Bonneville stainless kit. The bolts are well-made, it comes with instructions, crush washers, a nice plug, and a 3/16'' vacuum cap. It was $25.

Done.
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Old 11-12-2012, 09:38 AM   #7 (permalink)
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What is needed with aftermarket pipes and airbox removal?
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Old 11-19-2012, 07:24 PM   #8 (permalink)
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i like the british customs low profile black for my base 2012 bonnie, just plugged the hose going into the side cover for now, as seen on this great forum!!
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Old 11-20-2012, 02:06 AM   #9 (permalink)
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I bought the New Bonneville kit for my carbed Scrambler. When I removed the AI system I didn't need the vacuum cap. I did need it a week later though when I removed the EVAP system, so it didn't go to waste.
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Old 11-20-2012, 02:43 AM   #10 (permalink)
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Quote:
Originally Posted by ItsForrest View Post
I bought the New Bonneville kit for my carbed Scrambler. When I removed the AI system I didn't need the vacuum cap. I did need it a week later though when I removed the EVAP system, so it didn't go to waste.
How hard was the EVAP system to remove, and what did you do with the gas tank vent line? Got any photos?
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Current: 2012 Scrambler, Bitubo forks, YSS shocks, Arrow 2-to-1, 33mm DB killer, TTP tune #4, Breathe, DNA filter; O2, AI, Airbox baffle, EVAP removed, Up-N-Over, Pivot Pegs, Ventura rack.

Past: '83 Honda XR500; '84 Honda XL600; '86 Yamaha XT350
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