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Post by teejayexc on May 5, 2011 19:03:46 GMT
With fairing and subframe off as a result of this; diversionclub.proboards.com/index.cgi?action=display&board=general&thread=14285, I decided to remove the AIS gubbins from my D9. The AIS is an emissions system for California laws and summising a trip there on the divvy was not on the cards, I thought why not? Surprised me how much carp is involved in this 'clean' air contraption, numerous rubber pipes/clips, reed valves and metal pipes where it clamps onto the exhaust side of the head (where the spark plugs are). Removed all this;  Blanked outlet at the bottom of the airbox, same with smaller rubber pipe on carb/exhaust side, and capped plugs where they emerge from the exhaust side of the head with these little beauties;  Made and supplied by Reaper of this site, thanks Paul  . All in all, not too long a job and a darn sight cleaner looking inside the fairing and near the plugs. Off to test tomorrow, no doubt with all that weight saving she'll be 10 mph faster now too  |
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bobd
CBT Hero
Posts: 29
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Post by bobd on May 5, 2011 19:41:32 GMT
Hmm, I might try that - save me having to refit it when I put the bike back together.
Look forward to hearing how it goes.
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Post by eliminator on May 14, 2011 8:16:33 GMT
It will be interesting to see if you notice any difference in the noise. I think? I've read on this site that the emission gubbins can be the source of an irritating noise?
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Post by tomcat on May 14, 2011 8:21:29 GMT
It will be interesting to see if you notice any difference in the noise. I think? I've read on this site that the emission gubbins can be the source of an irritating noise? No. Your mistaken. That's the pillion your thinking of! ;D |
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Post by teejayexc on May 14, 2011 8:36:46 GMT
After being tried and tested on the Yorkshire run recce t'other day I can say the removal of the AIS has not had any detrimental effect on the how the bike runs/performs. Can't comment on wether an irritating noise was not heard, had Martin with me all day |
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Post by Deleted on May 14, 2011 9:04:09 GMT
Was it faster ?  Is it lghter for dragging out of ditches ? Thought you had an SV, is that an ornament ?  |
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Post by cam7777 on May 14, 2011 10:21:38 GMT
Was it faster ? Is it lghter for dragging out of ditches ? Thought you had an SV, is that an ornament ? Can I help with this? Was it faster ? Trevs bike is mighty fast with him on board, doesnt want to go any faster  Is it lghter for dragging out of ditches ? This was a one off mistake, usually, his cornering skills are amazing  Thought you had an SV, is that an ornament ? I am sure the SV will come out once it's reached the required standard of excellence. HTH |
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Post by m40man on May 14, 2011 10:33:07 GMT
.... Can I help with this? Was it faster ? Trevs bike is mighty fast with him on board, doesnt want to go any faster Is it lghter for dragging out of ditches ? This was a one off mistake, usually, his cornering skills are amazing Thought you had an SV, is that an ornament ? I am sure the SV will come out once it's reached the required standard of excellence. HTH Crikey Clive - you on a promise ? You'll be telling us Fiasco can wire heated grips & I can tighten-up rear caliper bolts next . |
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Post by cam7777 on May 14, 2011 16:22:30 GMT
Crikey Clive - you on a promise ? You'll be telling us Fiasco can wire heated grips & I can tighten-up rear caliper bolts next . No promise. I am sure Fiasco can successfully wire up heated grips, it's just that we haven't seen any evidence of it yet. I am sure that you can tighten caliper bolts up, it's the other bolts which you can't undo that I worry about  |
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Post by Deleted on May 14, 2011 16:31:49 GMT
Clive, I'm a bit worried you've been groomed for a post as 3rd wheel in the 3 Amigos. It doesn't have to be this way. He doesn't have you under duress does he ? or is he just holding the photos ?  |
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Post by teejayexc on May 14, 2011 16:53:19 GMT
Clive, I'm a bit worried you've been groomed for a post as 3rd wheel in the 3 Amigos. It doesn't have to be this way. That's rich coming from someone who as just confessed to being 'rear ended' 8 years ago He doesn't have you undressed does he ? or is he just holding the photos ? Not yet |
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Post by m40man on May 14, 2011 16:59:50 GMT
.... That's rich coming from someone who as just confessed to being 'rear ended' 8 years ago ..... He didn't confess - He was outed by Bevy . |
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Post by Deleted on May 14, 2011 17:08:55 GMT
That's rich coming from someone who as just confessed to being 'rear ended' 8 years ago At least my encounter was with a woman. It has never been a secret. At the time I had a brief fling with a VFR, had a yen for one for a time before I bought the Bandit. |
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Post by teejayexc on May 14, 2011 17:23:36 GMT
At least my encounter was with a woman. Did she supply her own tools ? It has never been a secret. At the time I had a brief fling with a VFR, had a yen for one for a time before I bought the Bandit. If it's any consolation to your D9 woes, the VFR's seem to be a pain in the ar5e too |
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Post by m40man on May 14, 2011 17:27:24 GMT
.... VFR's seem to be a pain in the ar5e too TBF to the old girl, the chain adjuster was always fine in the 3 years I had her. Eight month's out of my care - I can only assume the 'maintenance' element of her recent life was NIL  . |
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Post by teejayexc on May 14, 2011 17:37:20 GMT
TBF to the old girl, the chain adjuster was always fine in the 3 years I had her. Eight month's out of my care - I can only assume the 'maintenance' element of her recent life was NIL . Ah yes, I remember your 'maintenance' regime on your other bikes;  |
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Post by m40man on May 14, 2011 17:50:39 GMT
....Ah yes, I remember your 'maintenance' regime on your other bikes; As I recall it, I was doing a maintenance demonstration for Pops. He subsequently passed the course with flying colours & I'm pretty sure his certificate is still on his mantle piece . |
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Post by Deleted on May 14, 2011 17:55:56 GMT
At least my encounter was with a woman. Did she supply her own tools ? Ford Focus, she didn't quite manage to fit it in. Certainly tried. |
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Post by Deleted on May 15, 2011 13:38:14 GMT
Did she supply her own tools ? Ford Focus, she didn't quite manage to fit it in. Certainly tried. Haha what an insurance claim hers must have been ..... Lost Ford Focus |
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Post by wallace on Aug 21, 2011 17:12:39 GMT
Trying to contact REAPER (Paul Garner).
Could you make me a set of the blanking plugs for the 900 ais system as I would like to remove it.A price plus postage would be great.
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Post by CD on Aug 25, 2011 13:14:15 GMT
Paul's blanking caps are properly engineered
You could also drill some 10mm stainless dome nuts out to 12mm (if I remember) and stick them on with silicone sealant. There is no back pressure to speak of.
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Post by teejayexc on Aug 26, 2011 11:45:59 GMT
They actually suck, ooer Mrs, so a hard setting compound is preferable.
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Post by CD on Aug 26, 2011 15:58:18 GMT
Silicone RTV or bathroom with dome nuts would be fine 10mm have a 13 spanner so drill carefully. 12mm should also work but Paul's are neater looking. |
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Post by Stooby on Sept 15, 2011 8:22:14 GMT
I've just removed all my AIS gubbins. I found that 15mm copper pipe fits neatly over the pipes coming off the head. I was in a bit of a rush, but I use a couple of stop ends on the 15mm pipe and the small rubber connecting tubes that are circles in the pic below. These slide right down to the bottom of the pipes and will accept the 15mm copper pipe happily. If you cut the pipe to the length of the narrow part of the pipe (I guessed I was rushing) and solder the cap on the end, use the rubber pipe to clamp it all up (using the existing clips) it works a treat and costs peanuts. I sprayed mine black (very quickly) and it look OK ish. I'm going to tidy them up when I get a chance, using end feed rather than pre-soldered joints and measure it all up. I think I can get away with using instant gasket, rather than the rubber pipe to hold it in place. Personally I wouldn't use silicon sealant.   |
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Post by CD on Sept 15, 2011 9:08:07 GMT
Another option would be to longer rubber hoses with the plugs hidden under the tank.
I believe Reaper solves the problem with O-ring seal but silicone gasket and silicone sealant are much the same product.
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Post by cam7777 on Sept 15, 2011 9:28:09 GMT
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Jona
Boy Racer
Posts: 242
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Post by Jona on Sept 16, 2011 19:59:42 GMT
Did I miss the answer to the question about is it worth it? i.e. is it more fuel efficiant, does it run better, is it smoother, is the power up? etc
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Post by eliminator on Sept 16, 2011 20:05:54 GMT
Is it quieter?
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Post by CD on Sept 18, 2011 16:01:30 GMT
It removes the rattle of the AIS valves but makes zero difference to performance. All it does is allow air to get sucked down the exhaust ports after the valves. The various valves stop gasses blowing out.
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Post by Stooby on Sept 19, 2011 12:40:23 GMT
Well after a run to Devon and back over the weekend, I didn't notice any difference in performance, but it does pop and bang more noticeably on overrun - especially coming down the 1:4 hills on Exmoor, but nothing worth worrying about.
And to add - the really annoying vibration from the AIS stuff has gone, so it's much quieter!
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