SMART CARBS

Anything related to Vespas... ask tech questions, post helpful info, or just read and learn.
Andy Beard
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Joined: Wed Oct 07, 2020 4:45 pm
Main scooter: Vespa P-range
Location: Sheffield, Yorkshire
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Thu Oct 15, 2020 7:03 pm

Has anyone had a massive ‘euro-millions’ windfall & purchased a Smart Carb as shown on SIP TV?

Big bucks to one side I’m actually interested in their effectiveness, ease of setting up & whether they might afford an additional safety buffer against heat seizures due to pure jetting etc...I wish I could be smug & tell you I’ve never had a seize but then I’d be fibber! (too much tweaking when tweaking wasn’t needed, ‘Scooterboyitis’ I think it’s called, when it seems like a good idea to throw all knowledge & rationality out of the window).

It’s the fine line between max power & too lean that I’m specifically thinking of & whether the Smart Carb negates the need to ‘richen’ the mixture to be safer rather than sorry! Maybe a Smart Carb is more efficient & could improve the longevity of the life of whatever setup you have, give better mpg’s, no expensive rebuilds all of which could prove to be cost effective over time!

I don’t race scooters & prefer a more rideable touring tune but I’m always keeping an eye at CHT’s when WOT & in the main jet range, I’m not totally at ease unless I‘ve got the tiniest bit of boggyness (richness) to keep the temp down!

Any thoughts would be appreciated!

108
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Main scooter: Vespa PX200
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Sat Mar 13, 2021 12:43 pm

These seem to floating about a lot (seems like seeded product, but that’s just an educated guess...), people definitely seem excited about them (of course the price is a deal breaker...)

Had a conversation with someone who received one as a test... they didn’t rate them, said it was difficult to jet (even for their dyno test), and (more importantly) especially hard for road use... he said he can’t imagine installing any in the near future...

There’s a fella in the US who seems to be making them work... (except he’s just blown piston rings... not sure if it’s carb related...)

http://modernvespa.com/forum/topic163570.53

108
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Main scooter: Vespa PX200
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Sat Mar 13, 2021 12:46 pm

If I had the money, I’d wanna try a VHSH instead...

Andy Beard
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Posts: 16
Joined: Wed Oct 07, 2020 4:45 pm
Main scooter: Vespa P-range
Location: Sheffield, Yorkshire
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Sat Mar 13, 2021 8:03 pm

Nice one mate, thanks for taking the time!

Pretty much underscored what I was feeling/thinking about SmartCarbs, especially as I’ve trawled through the Astro-web since October & have found very scant information, positive or negative & next to nothing other than from SIP

Gotta agree with you on your carb choice,!

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Shaunbond
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Location: Preston, Lancs
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Sun Mar 14, 2021 5:57 pm

That Scooter Thing channel on YouTube has some vids about them. Can't say good or bad, but might be worth a watch..

https://youtu.be/2SohjqrgXEE
Serial scooter rider...
VMSC Committed to Scootering for 25 years

Andy Beard
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Posts: 16
Joined: Wed Oct 07, 2020 4:45 pm
Main scooter: Vespa P-range
Location: Sheffield, Yorkshire
Contact:

Sun Mar 14, 2021 7:25 pm

Thanks Shaunbond & 108

I’ve had a good peruse of the links you’ve kindly sent me & other than being a sucker for new ideas or wheel reinventing technology I’m likely in all probability to go down the traditional side draft carb route!

However I’m still of the opinion that SmartCarbs really do look the dog’s b@#*%@#s but at the end of the day function has got to be paramount in any decision & unfortunately I’m not feeling the vibe for that many £££££’s!!!!!

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