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  #51  
Unread 09-12-2019, 08:00 PM
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dankerson dankerson is offline
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Or.....You can have new fork holder for changing fork seals. Haa haa haa haaa hahahahahaaaaaa
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2000 Aprilia RS 50/TP85 cc stroker kit
2003 Derbi Super Motard with a CR85R race engine
2001 Honda RS 250R that beat my fastest times already
2006 Aprilia RS125 Street legal
4 2004 go-peds all with race engines
2017 Ford F2fity to haul all my bike with
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  #52  
Unread 05-19-2020, 06:59 PM
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twinturba twinturba is offline
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With all these "big" bike projects taking up my time these days, it's been hard to find time for my Ultimate Aprilia RS50 build TT. I've been gathering parts for the next wave of upgrades on TT and finally got around to starting some of the projects today.

First up was figuring out the wiring for a Domino start/stop switch to replace the stock controls which are integrated into the stock throttle assembly. This is necessary for the next upgrade which will be a Domino quick turn throttle. Since TT has only 1800 original miles and the wiring is in pristine condition, I don't want to hack and splice into the OEM wiring. In order to accomplish this I intend to utilize an old set of OEM controls and cannibalize the plugs so I can solder them onto the Domino wiring which will plug into the stock harness. Step one was reviewing the Aprilia RS50 wiring diagram and inspecting the Domino switches to figure out how to splice this all together. Next step was labeling and taping together each wire that need to be soldered together. With this figured out, next will be splicing this together on my work bench in the next couple days, then hopefully testing on the bike soon after that.








Finished result is Domino wiring meshed with OEM plugs!



If you've read about this build you know that I have a custom Aprilia RS125 front end already on TT which is nice as it greatly improved my front brake setup, however it had no adjustability. Lucky for me we recently acquired three Aprilia RS250's and one of them came with a spare MK1 front end which appeared similar in dimensions to the RS125 and has some adjustments available. I managed to swap the RS125 to the RS250 pretty easily and the RS125 wheel even uses the same size axel!

A few things to work thru on this upgrade are the RS125 caliper no longer lines up, there is an extra caliper mount, and the RS125 fender doesn't fit. Next up will be test fitting an RS250 caliper and fender to see if they will mount up with the RS125 wheel and slightly narrower configuration of the forks.

RS250 next to RS125 forks


RS125 on left, RS250 right


RS250 vs RS125 bottom view, yea forks gonna need to be serviced before use


Both RS250 Adjustable forks installed





Extra caliper mount



Look closely and you can see the RS125 caliper won't line up
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Jenius Biker Blog

Current FTR, Diavel, Zero S, Metro, Grom, RS250³,Newd, TT, Max, Nastro, Bangkok, 85 ADV

Past: M696, GTS300, KLR650,SC1000s, CeRbi, SPR, 959 Corse, CB300R, SRMotard, Versys, Typhoon, NCXD, RC390², Madass, PW50, KTM BR 65, Aprilia BR50, Aprilia RS125², DRD, WR250X, Derbi SM⁷, Aprilia RS50¹⁰, Derbi GPR³, Aprilia RS250², Mito², NSR50², NS50, HRC RS125, HRC RS80, YSR63 (1st 2stroke!), FZ600, KLR250(1st Bike!)

Last edited by twinturba : 05-30-2020 at 05:51 PM.
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  #53  
Unread 05-30-2020, 05:46 PM
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twinturba twinturba is offline
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Since upgrading the Bats Proven Performance Package from the Rose TP kit to the 85 Maxi kit we haven't addressed our outdated carb setup so we ordered a Polini setup to try. I love the packaging on the Polini parts and I can only imagine what it would be like to visit a motorcycle shop with a whole Polini aisle full of these parts! For the BPPP we are going with the Polini CP 21mm carb, Polini 360 intake kit, cable choke kit, and jet kits for main and pilot.



First up was inspecting the carb to see how beautifully made it is, changing the main jet, and documenting the beginning settings. The Polini jet kits come in these sweet little cases and have a nice selection to use for tuning.



Installing Cable choke kit.



Old solid intake next to Polini 360 intake.



All mounted up




Just like the lever choke on the previous Dellorto 21mm setup, I wanted to have the choke in the original location. The most elegant and simple solution was to machine the included bracket to fit behind a clutch cover case bolt just below the OEM Choke decal. I am trying to create a synergy between the best and rarest of the OEM Aprilia with the best and thought out performance upgrades. What do you think?

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Jenius Biker Blog

Current FTR, Diavel, Zero S, Metro, Grom, RS250³,Newd, TT, Max, Nastro, Bangkok, 85 ADV

Past: M696, GTS300, KLR650,SC1000s, CeRbi, SPR, 959 Corse, CB300R, SRMotard, Versys, Typhoon, NCXD, RC390², Madass, PW50, KTM BR 65, Aprilia BR50, Aprilia RS125², DRD, WR250X, Derbi SM⁷, Aprilia RS50¹⁰, Derbi GPR³, Aprilia RS250², Mito², NSR50², NS50, HRC RS125, HRC RS80, YSR63 (1st 2stroke!), FZ600, KLR250(1st Bike!)
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  #54  
Unread 06-01-2020, 07:04 AM
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jkv357 jkv357 is offline
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High quality pieces for sure!

Slick mounting for the choke. I can appreciate that...

Thanks for the update.
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  #55  
Unread 06-04-2020, 06:29 PM
twinturba's Avatar
twinturba twinturba is offline
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With the Domino switch wired up and the new carb installed I figured it was a good time to get the Domino quick throttle mounted up. In order to get this working I had to make a custom cable between the throttle and the Y connector. I have zero experience with this, but thanks to another member on Aprilia Forum (Xero) I had the right tools and a good idea how to go about it.

Here was the existing setup



After a measure 6 times and cut once cable mod I used my solder pot to solidify the end



My new setup installed and working



Left side controls with matching Domino grip and Domino clutch lever.



Still need to figure out my front brake setup and I have some really sweet bits on the way from Italy that will finish off the look of the controls.
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Jenius Biker Blog

Current FTR, Diavel, Zero S, Metro, Grom, RS250³,Newd, TT, Max, Nastro, Bangkok, 85 ADV

Past: M696, GTS300, KLR650,SC1000s, CeRbi, SPR, 959 Corse, CB300R, SRMotard, Versys, Typhoon, NCXD, RC390², Madass, PW50, KTM BR 65, Aprilia BR50, Aprilia RS125², DRD, WR250X, Derbi SM⁷, Aprilia RS50¹⁰, Derbi GPR³, Aprilia RS250², Mito², NSR50², NS50, HRC RS125, HRC RS80, YSR63 (1st 2stroke!), FZ600, KLR250(1st Bike!)
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  #56  
Unread 06-05-2020, 06:33 AM
jkv357's Avatar
jkv357 jkv357 is offline
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Location: Middleton, WI, USA
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And it keeps getting better!
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  #57  
Unread 06-17-2020, 06:43 PM
dankerson's Avatar
dankerson dankerson is offline
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Hurry up and finish my future bike man. I cant wait till you do all that work and I buy it. haahahahahahahaaaaaa
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2000 Aprilia RS 50/TP85 cc stroker kit
2003 Derbi Super Motard with a CR85R race engine
2001 Honda RS 250R that beat my fastest times already
2006 Aprilia RS125 Street legal
4 2004 go-peds all with race engines
2017 Ford F2fity to haul all my bike with
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  #58  
Unread 06-17-2020, 07:47 PM
twinturba's Avatar
twinturba twinturba is offline
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Just got a few new bits direct from Italy for TT! Can't wait to get these beautiful parts fitted!

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Jenius Biker Blog

Current FTR, Diavel, Zero S, Metro, Grom, RS250³,Newd, TT, Max, Nastro, Bangkok, 85 ADV

Past: M696, GTS300, KLR650,SC1000s, CeRbi, SPR, 959 Corse, CB300R, SRMotard, Versys, Typhoon, NCXD, RC390², Madass, PW50, KTM BR 65, Aprilia BR50, Aprilia RS125², DRD, WR250X, Derbi SM⁷, Aprilia RS50¹⁰, Derbi GPR³, Aprilia RS250², Mito², NSR50², NS50, HRC RS125, HRC RS80, YSR63 (1st 2stroke!), FZ600, KLR250(1st Bike!)
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  #59  
Unread 06-18-2020, 07:10 AM
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jkv357 jkv357 is offline
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Location: Middleton, WI, USA
Posts: 62
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Super nice stuff there.
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  #60  
Unread 06-19-2020, 10:57 PM
Rj_666 Rj_666 is offline
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Location: Seattle
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LOVE the upper triple and clip ons ! Been looking everywhere for something similar for my stock RS50 forks.
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