Aprilia RS125 2010 Spain's no.1
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@pedrobatista10 Other than specialist tools, you won't need much else than that kit.
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@Calum i will need torque wrench tool, right?
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Torque wrenches are misleading at times. Should be used for precision critical stuff, but often you find you lose "feel" when solely relying on a Torque Wrench, often stripping threads and snapping bolts.
In general, you shouldn't need one, when absolutely needing the precision, then I'd say get one.
I ended up getting a Laser Torque Wrench for engine building. It's cheap and decent quality.
Just bear in mind, torque wrenches need calibrating every so often, so unless you need it day to day, I'd say learn what is the right tension from feeling.
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@pedrobatista10 Why's that?
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Torque wrenches are misleading at times. Should be used for precision critical stuff, but often you find you lose "feel" when solely relying on a Torque Wrench, often stripping threads and snapping bolts.
In general, you shouldn't need one, when absolutely needing the precision, then I'd say get one.
I ended up getting a Laser Torque Wrench for engine building. It's cheap and decent quality.
Just bear in mind, torque wrenches need calibrating every so often, so unless you need it day to day, I'd say learn what is the right tension from feeling.
@Calum Got it! thank you
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@pedrobatista10 The torque on the cylinder is like 13Nm, that's not a lot. A 1/4" ratchet should achieve that with not much force on it.
I bought one of these
https://www.ebay.co.uk/i/173557651648?chn=psIt's a tiny tiny ratchet, no bigger than my Palm. It's useful as you can't apply masses of torque to it, meaning you don't damage the thread.
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New Material for my aprilia, arrived today.
italkit cylinder and combustion chamber for 140cc, vforce, dellorto 34 carb, bc engineering blade,cable and housing and athena air filter gifted by the shop.
link textjollymoto corsa exhaust
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@pedrobatista10 Some lovely parts there dude, your wallet must be feeling the pressure??? :grinning_face_with_smiling_eyes: :grinning_face_with_smiling_eyes: :grinning_face_with_smiling_eyes:
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@NINJA eheh yes this month i'm done with parts. next month i will buy more parts for sure.
now i need to find some guy that mount this setup. i hope next week i can find one guy that dont ask me 400€ for put this running
@pedrobatista10 A head swap is not that complicated a job dude, I've seen many a video of 'teenagers' performing it on their bikes. If your half competent with the spanners then I would give it a go and save yourself the cash for more upgrades.
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i dont have any experience, thats why i dont want to take risk. i understand, that i need to pay and not a easy job. but 400€ is overpriced, imo
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i dont have any experience, thats why i dont want to take risk. i understand, that i need to pay and not a easy job. but 400€ is overpriced, imo
@pedrobatista10 I hear ya, I would suggest asking around for a good quality local bike mechanic. Or visit some bike dealers and sneak around the back to see if any mechanics would take on a bit of private work? This may save you a lot of cash, as they could do the work without the overheads.
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That's some mighty fine parts you got there!
What made you go for the Italkit head over the VHM head?
The one PJME supply has been dyno'd for optimum results on the Italkit Cylinder. No doubt the Italkit head has too. I adore that anodising though!!
As I say, it doesn't sound overpriced for the work involved. It's trivial stuff to do yourself, but it's time consuming to do it right. Hence the price.
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@Calum hi, the reason was, the shop i bought everything (mmgracingstore) had this italkit head prepared for 140cc and vhm insert. but vhm was not reworked for italkit 140cc i guess. since i dont have knowledge to work on that and i think the difference shouldnt be too much. i bought that instead. and it was good price (~62€), maybe later i change to vhm reworked by pjme.
p.s. how can i post photos like that @Calum ?
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@Calum hi, the reason was, the shop i bought everything (mmgracingstore) had this italkit head prepared for 140cc and vhm insert. but vhm was not reworked for italkit 140cc i guess. since i dont have knowledge to work on that and i think the difference shouldnt be too much. i bought that instead. and it was good price (~62€), maybe later i change to vhm reworked by pjme.
p.s. how can i post photos like that @Calum ?
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Quick update, i already spoke with the mechanic and gave him the material. he told me , that price is for tune cylinder too. he showed me the stock italkit and one already tuned by him, and i saw the big differences on the port of the cylinder.
other thing, my bike is showing EFI Red Light, and around 6k rpm the bike start to die, if i dont use throtle.
maybe still restricted? my CDI is piaggio ac29
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Quick update, i already spoke with the mechanic and gave him the material. he told me , that price is for tune cylinder too. he showed me the stock italkit and one already tuned by him, and i saw the big differences on the port of the cylinder.
other thing, my bike is showing EFI Red Light, and around 6k rpm the bike start to die, if i dont use throtle.
maybe still restricted? my CDI is piaggio ac29
@pedrobatista10 Misleading, since the Aprilia's are not EFI.
The stock carb on the very later RS models used a TPS sensor.
I don't think this has any real bearing on anything. Not sure what it's used for since carbs are self metering.
Be wary of porting the cylinder, if it's what you want, great, but it can reduce reliability and make the bike unusable for low speed riding.
The Italkit porting is very good for road use stock. Further modifications might just be to remove casting flaws, but my barrel was very good.
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@Calum maybe with the new carb the red light disapear?
And about the bike dying on 6k rpm, sound restricted for you?
@pedrobatista10 That's a well known restriction.
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@pedrobatista10 said in Aprilia RS125 2010 Spain's no.1:
And about the bike dying on 6k rpm, sound restricted for you?
I wouldn't port that cylinder unless it was for racing, because it's already a pretty balanced port map great for street.
Porting the cylinder is just going to make it less usable on the streets, your mechanics port job will probably just be widening the ports or just raising the exhaust a little bit as most mechanics don't really study or even care about the angles and then a cylinder just ends up loosing bottom end with some gains on top end but not worth the lost low end power for street.
