taco eater :
Avery Kempf from Waupaca, WI United States
Packaging was great, foam box inside a box inside bubble wrap and all. Until I opened the package all the way to discover the head gasket was bent into a taco and one of the piston rings was broken into three pieces. Rough as it is I'm just upset I have order replacements and wait longer than I want to.
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Fits perfectly on 1982 honda urban express
August 8, 2023
taco eater :
Mickey Haddox from INDIANOLA, IA United States
Fit my 82 urban express and required no modification of fins with the derbi head. Haven't gotten in dialed in yet, but already put my top speed up to 38. It will get faster when it isn't running so rich. EDIT: Got a people's pipe on it and stuck a bx31 on and she'll go 50, still has more, but wheel bearings are scaring me.
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1 taco eaters like this review
Fits my 82 NU50
May 10, 2023
taco eater :
Allie from Mesa, AZ United States
I bought this kit to upgrade my NU50 from 50cc to 70cc. This with a larger carb jet, BX31 belt, and MLM stock pipe, I gained 15 MPH on the top end and got a lot of my low end back.
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4 taco eaters like this review
as easy as
June 19, 2021
taco eater :
Jonathan Lawley from Myrtle Beach, SC United States
just slapping it on. My 1980 NC50 I just put the thing on with stock carb, jet and exhaust and it runs. Its not perfect and needs some tuning but still it was that easy.
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2 taco eaters like this review
Serious Improvements On The PA50
October 24, 2020
taco eater :
Chad King from Portland, OR United States
This kit, when combined with a bigger carb and a nice pipe significantly improved my acceleration and torque (as well as top speed, of course). It required no porting or any other modification to work, even with the stock head. My moped also now sounds like a dirt bike, which may be either a pro or a con depending on where you live. The main takeaway is that THIS THING RIPS. 100% worth the money.
Damaged 
Fits perfectly on 1982 honda urban express