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Product Description
Speed upgrade kit for your Tomos A55 LX, Arrow, Revival, Spint, ST, and Streetmate. Almost every Tomos A55 based moped will really benefit from this. Works great to de-restrict stock setup. Increased performance with after market exhaust. For use with original Tomos Dellorto PHVA carburetor. Jetting will be different when used with the 17.5mm upgrade.
Includes new Main Jet, Infuser, Idle Jet, and Hi Flow air filter.
Recommended Accessories:
Jets for final tuning
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Product Reviews
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Pulls With Power
Upgrading my 2008 ST with this Air Intake Kit has made a big difference in acceleration and top speed. However, for heavier riders( I weigh around 250 lb.), the 22T sprocket is not recommended unless you are only looking for top end speed. After installing Air Kit, I switched to the 22T sprocket and found out that while my top speed did increase to 45-50mph, it was only after straining thru a poor low end crawl during which the moped sounded like it was having a hard time, that the bike eventually got up to speed and really took off while the exhaust became overly loud. After reinstalling the 24T spocket, my moped now runs like a dream. Engine has a smooth idle and the low end is steady as the moped accelerates from a stand still. At 30 mph the moped pulls with power as it opens up and climbs easily to 40-45 mph.
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Upgrade
Nice little upgrade. I used this air filter kit and the techno exhaust for a 2007 tomos sprint and well over 40 mph. Also ordered 22 tooth rear sprocket. Have not installed sprocket yet don't know if I will anything ober 40 is better than the stock 30mph
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works, little loud
Used this on my 2007 Tomos LX (A55 engine) and it idles at a stop with choke off and with the UNI air filter it gets loud at full throttle. I installed this and a 24 tooth sprocket and with a stock exhaust and it does 34 and i has a lot of accelaration. i would get a 22 tooth sprocket if installing this. The parts are small so check the pachage (comes in a little bag)
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Bang for your buck.
This is what you may be looking for to de-restrict the stock set-up on a PHVA 14 Dellorto carb. Amazing performance gains with a proper tune. Uni filter bolts right up no problem. I'm using this with a MLM People's Pipe on a 2008 Tomos ST a55 with a 22T rear sprocket and top speed is roughly 70KMH. Acceleration has improved as well.
