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bidalot
Joined: 14 Feb 2012
Posts: 75
Location: Paris
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 Posted: Mon Jul 02, 2012 5:05 pm Post subject: |
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ha, ha !!!!
I rode my Mantra during 200 kms this week-end with my re-jetted carbs (Dynojet stage 1).
It's simply fantastic.
There's really a big difference. More torque, energetic throttle response.
A new bike in fact for less than 100 €.
I re-jetted the carbs myself. It's very easy, except moving the tank, the handlebars, the throttle cables, the fuel lines, the fuel pump .... (3 hours).
I'm now waiting for my new STM breather, and the Mantra will be totally new (10 months of work and too much euros...). |
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2bims
Joined: 03 Apr 2010
Posts: 7289
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| Posted: Mon Jul 02, 2012 11:29 pm Post subject: |
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| oH dEAR, WISH i HADN'T READ THAT, now I'm going to have go and do the same myself as am finding the throttle response a tad Hhmm on my DB4, especially compared to Vorts Corse edition and my modified Db2, but 100 Euros can't be a bad gamble for better feel. Have you kept the same twin cable throttle assembly, or gone for a quarter turn assembly?? |
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Uros
Joined: 22 Aug 2011
Posts: 37
Location: Slovenia EU
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| Posted: Tue Jul 03, 2012 7:00 am Post subject: |
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Alright alright bidalot, you got me convinced! I shall try the same...
So, to sum it up, you just bought a Dynojet kit and mounted it on the bike (+plus rejetting the carbs of course) and that's it?
Also, what the hell is the STM breather?? |
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2bims
Joined: 03 Apr 2010
Posts: 7289
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Uros
Joined: 22 Aug 2011
Posts: 37
Location: Slovenia EU
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| Posted: Tue Jul 03, 2012 8:54 am Post subject: |
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Interesting!
Something new! Thanks!
Bidalot, is it the same as you will mount it? Any special things to be careful of? |
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brian
Joined: 22 Aug 2011
Posts: 3769
Location: Australia
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| Posted: Tue Jul 03, 2012 7:53 pm Post subject: |
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And don't forget to plug the hole in the airbox so you're not sucking unfiltered air into your donk 
_________________
'99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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2bims
Joined: 03 Apr 2010
Posts: 7289
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| Posted: Tue Jul 03, 2012 11:50 pm Post subject: |
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| Yes a worthy point. I found a nice rubber grommet that did just the trick with that |
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bidalot
Joined: 14 Feb 2012
Posts: 75
Location: Paris
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| Posted: Wed Jul 04, 2012 1:47 pm Post subject: |
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| 2bims wrote: |
| oH dEAR, WISH i HADN'T READ THAT, now I'm going to have go and do the same myself as am finding the throttle response a tad Hhmm on my DB4, especially compared to Vorts Corse edition and my modified Db2, but 100 Euros can't be a bad gamble for better feel. Have you kept the same twin cable throttle assembly, or gone for a quarter turn assembly?? |
I had to keep the same twin cables throttle assembly because I didn't found another solution. The original Bimota cables are specific. They are longer than Ducati Monster ones. They had to run under the oil radiator, the Ducati monster cables can't.
The throttle box is also different. The Bimota cables are screw under the plastic box. Ducati as separate throttle grip and electric box if you know what I mean.
I don't find the name of the firm who manufacture the throttle bow and the cables.
For the crankcase breather, I don't recommend to install a K&N filter. Because there so much oily dirt which needs to go out of the engine.
Some of my friends who install K&N filters on their Ducati breather quickly removed them to go back to the original assembly with the long tube to the air box. Because there was so much oil sprayed on the rear of the bike.
On a race track, use a filter on the breather is forbidden...
So you can install a billet breather (with blades inside) but with the long original rubber tube. |
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2bims
Joined: 03 Apr 2010
Posts: 7289
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| Posted: Wed Jul 04, 2012 6:01 pm Post subject: |
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| To be honest thats what I've done with my crankcase breather on the DB2 and Db4, kept the full length hose for extra catchment, but then put the mesh filter on the end, extra expansion room, but theres just no sense in the original set-up to let anything that comes out go direct into the air filer box AFTER the filter section, just my opinion (i.e. the standard set up) My airbox was really cruddy and sticky inside from overflow of crud from the breather fed direct into it |
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deebee4
Joined: 08 Jan 2011
Posts: 266
Location: Netherlands
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| Posted: Wed Jul 04, 2012 7:27 pm Post subject: |
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On my db4 I fitted a biller STM item too with a long hose that goes all te way up into the tail section and connected to a K&N crankcase breather. Only after re-oiling there's some drips of red filter oil on the rear fender. After a few wipes all's fine, no problem at all. Obviousy best is to lead the tube in a breathable container, but with a long hose there won't be a lot blow into it. So I leave it like it is now and never had a problem on the track.
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Track riding on a Bimota: FUN! |
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deebee4
Joined: 08 Jan 2011
Posts: 266
Location: Netherlands
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| Posted: Wed Jul 04, 2012 7:27 pm Post subject: |
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double...
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Track riding on a Bimota: FUN! |
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