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Post by jeppetheswede on Jan 30, 2019 10:31:16 GMT -5
Help me please The third mina "cpi" engine is going to be a strong fast daily driver "hopefully". i am going to build a comute scooter for the summer . And i dont know what to use has to be strong i am a heavy man 90kg + 50 to 60 milestop speed would be great. but not neccesery.
And what should i use for it cylinder vise have a polini no idea what it is. 70cc that i know but the rest ? Who knows
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Post by Lucass2T on Jan 30, 2019 11:25:59 GMT -5
Polini cast iron, yasuni R, 19mm dellorto phbg and a top racing crank. That will do 50mph with ease. The rest like variator, clutch, reeds etc is only for getting there easier.
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Post by aeroxbud on Jan 30, 2019 15:56:05 GMT -5
Any of the main brands sports cylinders should be good. Malossi, Polini, stage 6 all do good twin ring cast iron cylinders.
Loads of choice with cranks. Just as the same with cylinders, you get what you pay for.
won't go wrong with a Dellorto carb like Lucass sugested.
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Post by gsx600racer on Jan 30, 2019 17:37:49 GMT -5
^^^^^ What he said.
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Post by jeppetheswede on Jan 31, 2019 5:17:05 GMT -5
Will this set up work for the workhorse scoot.
I have a jasil crank with part nr cp10011 a naraku 21mm pwk carb naraku racing V.2 360 manifolf kit. Unknown polini 70 iron cylinder
a real crusty one looks like scrap to me. maby i vill by another cylinder
found an r setup in denmark for nothing 55 bucks approx. Any one have some intel about this kit good or bad.
Stock cpi head, malossi multivar stage6 360 grams bell
motforce racing clutch. no belt yet
Yes i have 6 multivars came with the scoots. bought all of this stuff from a bankrupt company. Big el cheapo for me not for him..
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Post by jeppetheswede on Jan 31, 2019 13:12:04 GMT -5
Oh forgot
found a tecnigas next r pipe
So thats the base line for this one.
And has anybody any thing about the r setup cylinder.
Cast iron 70cc blue alu head and a nice black box with white stripes and red text.
Thank ful for anything good or bad.
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Post by Lucass2T on Jan 31, 2019 14:30:03 GMT -5
Top racing = Jasil so yes.
Rusted cast iron cylinders can be cleaned up with some scotch brite and WD40. Unless there are some real rusty 'chunks' in there.
21mm naraku is probably some keihin or dellorto copy, not a fan (at all!) of replica/copied carbs. Go with genuine when it comes to picking carbs.
Tecnigas is 'ok' i guess, but there are way better options.
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Post by ryan_ott on Jan 31, 2019 18:35:34 GMT -5
A tecnigas would be the limiting factor for your build. That won’t get you to 60, 50 maybe just not up hill. Yasuni make good pipes that aren’t too much more then a tecnigas. Yasuni R is a nice pipe you can grow with (to an extent). I’m very pleased with the durability of Polini cast cylinders. Some work with a file will really wake them up.
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Post by jeppetheswede on Jan 31, 2019 18:55:56 GMT -5
Ok
The stuff i mentiond above i alredy own.
Exept the r setup cylinder
The polini one a big grinder been there and,
destryed it checked the axthaust duration
Its 192 degrees and not done with care.
And the carbs i own to
Followed in the bankroupsy deal
Payed out 200 bucks for the hole chabang.
But i know a yasuni r will do the job
And will be an later investment
Fot a better scoot
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Post by benji on Jan 31, 2019 20:47:04 GMT -5
I had a technigas nextr on a cast iron cylinder, and it's top RPM was 10k. Good down low tho, and for an endurance race it should be good since it'll keep the revs low. But don't expect huge top speeds at 10k RPM.
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Post by jeppetheswede on Feb 5, 2019 12:58:00 GMT -5
Yup
It is going to be abit restrictive but i own it.
Will be an investment in a yasuni r later.
Back to my question about r setup cylinders any one know anything about them?
And thanks again for the input and help
The old but sill going speed freak scoot maniac
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Post by Lucass2T on Feb 5, 2019 15:49:22 GMT -5
Yup It is going to be abit restrictive but i own it. Will be an investment in a yasuni r later. Back to my question about r setup cylinders any one know anything about them? And thanks again for the input and help The old but sill going speed freak scoot maniac Heard about them...thats it. Aparently very badly overpriced and nothing special besides that. But i've never seen one nor heard anybody do a decent review on em. Dunno who makes em, china? What kinda piston is in there, timings etc etc. Know absolutely nothing about R-setup, but i know the brand for about 5yrs or so. Says enough for me. |
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Post by jeppetheswede on Feb 6, 2019 10:12:01 GMT -5
Okey
Then i know that will not try one of these then.
I am snooping around for a stage6 racing mk2 cylinder for the race motor.
And if i find one im gonna use the pro sport mk2 on this engine insted.
Is that a streetable one or not?
And thanks for the help stopping me from doing a bad choise.
Sorry for the spelling but you get the idea.
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