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Post subject: Powerjet fitment
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Drewski  RD/RZ Jedi Master Joined: 29 Apr 2006 Total posts: 5072 Location: The Bunker,Cambridge, UK |
I had some jets arrived today and the powerjets are different to the ones that were already fitted. I was about to send them back but wondered if they would still be ok. They dont fit flush like the last ones but do screw in ok. What d'ya reckon 
Side by side, new one's on the right:-
http://i77.photobucket.com/albums/j71/Drewskovitch/P1010071.jpg
Old fitment:-
http://i77.photobucket.com/albums/j71/Drewskovitch/P1010072.jpg
New fitment:-
http://i77.photobucket.com/albums/j71/Drewskovitch/P1010074.jpg
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Posted: Wed Jun 11, 2008 11:40 am
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Monochrome Regular Racer Joined: 08 Jan 2005 Total posts: 349 Location: Lancashire |
Only ever seen the new type, and they would be fed from the top, so I guess jets are directional. I'd be wary, even if the hole is the same size.
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Posted: Wed Jun 11, 2008 7:54 pm
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Thrasherg Powerband Master Joined: 18 May 2007 Total posts: 721 Location: Austin, Texas |
As the fuel is sucked up from the float bowl to the power jet, I can't see that it would make any difference with either jet type. I would definately try it, just make sure the jet sizes are comparable..
Why are you changing the power jet? I know you set up WOT with the combination of fixed power jet and main jet (which you change), then at partial throttle you are just running on the main jet. Have you got some way of measuring part throttle running that shows you are too lean? I have the same carbs and am still getting the jetting setup so wanted to understand why you are playing with the power jet?
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Posted: Wed Jun 11, 2008 9:13 pm
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Vindaloobeast Rear-wheel Steering! Joined: 25 Aug 2005 Total posts: 2623 Location: Gloucester |
No..send them back.
They are not the same type mate.
Beast.
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Posted: Wed Jun 11, 2008 10:33 pm
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DrewskiRD/RZ Jedi Master Joined: 29 Apr 2006 Total posts: 5072 Location: The Bunker,Cambridge, UK |
| Vindaloobeast wrote: |
No..send them back.
They are not the same type mate.
Beast. |
Yup, that's what I've decided. I think the new ones are actualy designed to run the other way and both jets are completely different on the underside, the original one having a tapered end that fits into the float bowl differently.
Thrasherg, I'm just upjetting a bit after fitting new pipes, having said that, I've just fitted dual stage reeds and according to the bumf that came with them, they can make the bike run a bit rich so might not have to bother. I'm hoping,(praying), that I can set the bike up on my mates dyno at his garage, otherwise it will be by plug chop and infrared thermometer.
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Posted: Thu Jun 12, 2008 12:42 am
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