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Piaggio from Bali... Has anyone ever seen one on the web ?

Hello, Can a exhaust be stoppered with carbon deposit / calamine after 3 race seasons ( 10 race week ends) ?

Yes, come in Mirecourt ! There are nice surprises this year !

Well, that's easier to modify than dremeling on the race camp. But we never now !

Two petal conversion for the reeds with the green polini sheet. I kept the metalic U parts that maintain the reeds. (?) For the test I didn't modify the clip which was always at the 3rd position (middle) on the CGL.... damned I should have tried this, I don't have access to the bench now until the race. So first try was 153 / CGL 3rd and I get 18,5..... then I put 148 that's gave 20 then 145 20,7 then 140 and 135 to finish at 21,5hp...

to check it at Mirecourt...

Yes, that's the same, that's weird, like if it didn't fill in correcly ( it doesn't need more that 135/138).. Here is a photoshop with your SCK curve with almost the same setup (EDIT: except that I'm with a 53 stroke......) In french we said "il marche comme une patate"....

Yes I'm gonna increase a little bit the ignition timing, right now I have 15° at 8700rpm (at the best hp) For the carb setup the nicest curve is with the 135 jet, the blue one, I have two curve with the 135, blue and orange, but the orange one is not realistic because that's the second shot on the 135 test, so the temperature is not good. So I have 10 points less than the "standards", amybe the flowing inside the casing / intake has an impact, everything is really smooth.

Noooooo. that just 1hp more than my old iron polini which was a 51 stroke and Koso 28. I need 2hp more to be satisfied for the work done... The soft engine is more strict and give 1,5 hp less than the P4. I will try dicreasing the main jet a little bit more, the spark is still more black than brown. I didn't touch the needle yet but it won't modify the max hp, isn't it?

So here are the curves first is made at noon with a hot weather and the last one at the end of the day... Both with 24/14° Timings are 126/191

Sorry I didn't get it, I upload the curve in 10 minutes to give more information...

That's strange, I got the best results with 24/14°... I don't understand the 10° of variation, I will try with another CDI.

Hello, I'm working on the setup of my Polini evo on a Soft Engine bench right now and I need an advice for the ignition. With the stroboscopic light I have 10 degres of variation from idle to hight RMP...; I tought it was 8° of variation on a Vespatronic .. actually I have 21,5hp with a variation from 23° at idle to 13°...(I know it's not very good for the 13°).... So for the preconised 24 / 16°, the 24° should be at 2000 / 3000 rpm, isn't it ? Setup: KeihinPWK 33 / Alex intake / Polini reedvalve / 145 48 CGL 3rd 1turn Frantz Vespatronic Crankshaft DRT 53/105

Top !!! Thanks!

Hello, Sorry my German is too bad, I can't find the thread for CNC idle screw to setup keihin carbs... could you help me ? Thanks.

Thanx John, I will check with Rustracer first then I will see. thank you for the coffe last time!

Well, impossible to order on duepurcento from France, do someone sell the PLC ones on the GSF ? I would need two kits...

Thanx guys! Anyone rides the PLC version?

Hello, I need your advice for the silentblocs on racer engine. I have original silentblocs on my racer and the engine can move easily on each axis. First question, is it good or not ? What do you use ? What if I add PTFE parts on both side of the engine arm ? Or maybe it's easier to use the orange ones from DuePercento (can't remember where I saw it) ?

Racer sitzbank with original closing system. http://shop.ebay.fr/i.html?_from=R40&_trksid=p5197.m570.l1313&_nkw=sitzbank+schaumstoff&_sacat=See-All-Categories&LH_TitleDesc=0

Thank you!

Hello, I need advice to choose good shock absorbers for my scooter. A rear one for my smallframe racer: I'm 1.85 tall 75kg. I have a front rs24 and a shity rear one. A front one for a 2000km trip up to Croatia with a px disc with a passenger and luguages (sorry it's the smallframe section) There are a lot of possibilities, I would like something at less than 200 euros each. Do you have advice or tips ? Thank you. Antoine

Yes I intended to mill the S&S part to fit it... for the bolt no problem neither, I will use FHC screw. I found the information, the distance is 18mm, with 6mm thickness.

Hello, I would like to drop a little bit more my front suspension on a PK steering column. I have a already the scooter&service part on the rs24 but that's not enough. Anyone knows the following dimension on the Stage6 part adaptor ? A would like to gain up to 20mm, but the adaptor doesn't have to be to high if I want to keep the mudguard... Here is a photoshop test: actual/modified

I have moved down the lower part of the exhaust part to match with the piston (stroke 53 pleuel 105 etc...)... maybe the shape should look more like the blue line ?