Mikun BS34 vs Keihin CV34

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04 Jun 2011 09:35 #455316 by apbling
Replied by apbling on topic Mikun BS34 vs Keihin CV34
Makes sense. Guess I've gotten lucky thus far, so no real gripes. :)

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04 Jun 2011 10:04 - 04 Jun 2011 10:08 #455322 by otakar
Replied by otakar on topic Mikun BS34 vs Keihin CV34
The reason I HATE Dynojet kits is because they use a very soft Aluminum on the needles and completely neglect to Anodize therm. This leads to extremely accelerated needle ware and the carbs are after that un-adjustable. Dynojet than requires you to buy the entire kit again because they will not sell you just the needles. I wore out a set of DJ needles in less than one season. I now make my own kits and they work much better. I have Needles made to OE Mikuni specifications and tolerances. In 85% of the upgrades though, new needles are not even required. Not to mention the fact that with the DJ kits you now are using a completely different gauging system on the jets themselves. DJ claims how much better their jets flow but I find that to be BULLSHIT. I find the Mikuni jets to be much better and actually use them in Keihin carbs for that reason.

74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000
Last edit: 04 Jun 2011 10:08 by otakar.

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04 Jun 2011 12:10 #455345 by vonbagh
Replied by vonbagh on topic Mikun BS34 vs Keihin CV34
Shit, I tought those dynos are titanium jet needles, and needle jets might wear out easier because titanium might be too hard metal. There is also counterfeit jet kits, and on those kits needles are aluminium.

www.schiefermedia.com/PRESS/DYNO/PressRe...KnockOffJetKits2.pdf

Who knows?

Jos se ei tapa, niin se vituttaa.

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26 Jun 2011 11:03 - 26 Jun 2011 11:04 #459430 by ELCouz
Replied by ELCouz on topic Mikun BS34 vs Keihin CV34
So... Dynojet kit are a scam ? I mean not worth the 100 bucks ?

Looks like HP increase at STAGE 1 STAGE 2 and STAGE 3 marketing propaganda to me!

1982 KZ810-R1 GPZ with hindle 4-into-1 pipe
Last edit: 26 Jun 2011 11:04 by ELCouz.

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26 Jun 2011 11:57 #459446 by otakar
Replied by otakar on topic Mikun BS34 vs Keihin CV34
I would not call them a scam, but I would definitely say that they are not worth the $100. and that they are a waste of money.

74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

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26 Jun 2011 12:06 #459448 by loudhvx
Replied by loudhvx on topic Mikun BS34 vs Keihin CV34
My dynojet needles are stainless steel. I do recall hearing about counterfeit (read that as Chinese counterfeit) jetting kits. I'll do a search real quick.

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26 Jun 2011 12:10 - 26 Jun 2011 12:16 #459449 by loudhvx
Replied by loudhvx on topic Mikun BS34 vs Keihin CV34
www.dynojet.com/whats_new/PressReleaseKnockOffJetKits.pdf



Same link here

No mention of needle material. But the counterfeit jets all have the same size orifice regardless of the number stamped on them.
Last edit: 26 Jun 2011 12:16 by loudhvx.

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26 Jun 2011 12:23 #459451 by otakar
Replied by otakar on topic Mikun BS34 vs Keihin CV34
I spent over $200 on two kits some years ago and they left a bad taste in my mouth. They may have been counterfeit or they are just doing this to cover up a screw up. I can't see someone counterfeiting this particular product and getting everything so wrong. I just can't see there being so much money in it being worth the work and effort to counterfeit this product.

74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

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