Maddog Gen IV Scooter 150cc (PMZ150-21)
150cc, single cylinder, 4-stroke, front disc brake, rear drum brake, Gen IV Maddog styling and dash.
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The Maddog Gen IV 150cc (PMZ150-21) is the middle generation in the 150cc class. It keeps the Ruckus-inspired tubular frame and the same 150cc air-cooled four-stroke engine that have powered every Maddog 150cc, then adds refreshed lighting and updated dash details over the Gen I. If you want a 150cc Maddog that looks newer than the original but costs less than the Gen V, this is the one.
Three reasons riders pick the Gen IV 150cc:
Real road power at mid-tier pricing. The 150cc engine pulls comfortably on faster roads, climbs hills, and handles two-up riding. The Gen IV slots between the Gen I and Gen V in price, so you get the lighting and dash refresh without paying for the Gen V's full LED setup.
Same proven engine. The 150cc single-cylinder four-stroke and automatic CVT transmission carry over unchanged from Gen I. Same dependable powertrain. Same easy maintenance. Same fuel economy.
Same customization platform. Frame mounts and accessory points line up with both the Gen I and Gen V. Aftermarket exhausts, seats, mirrors, and bodywork made for other generations fit the Gen IV.
Who it fits
Commuters who need 150cc-class speed and want updated styling at a mid-tier price. Riders who want a refresh on the original Maddog without paying for the Gen V's full LED setup and digital dash. Buyers in states where 150cc is treated as a regular motorcycle and they want a middle option. Builders who want a mid-generation 150cc Maddog base to start from.
Frequently Asked Questions
Do I need a motorcycle license to ride the Maddog Gen IV 150cc?
Yes, in most states. The 150cc engine class is above the moped threshold, so most states require a regular motorcycle endorsement and motorcycle registration. Check your state DMV for specifics before you ride.
What kind of gas does it take?
Regular 87-octane unleaded pump gas.
What's the fuel economy?
Riders typically see 70 to 90 mpg with the 150cc engine. Your number depends on riding style and how much time you spend at top speed.
How fast does it go?
Top speed is around 55 to 60 mph stock. Your number depends on rider weight, terrain, and CVT condition.
Does it come fully assembled?
The Maddog Gen IV 150cc ships in a crate roughly 85% assembled. Final setup includes mirrors, fluid fills, and a pre-delivery inspection. Most authorized dealers handle setup for you. If you buy direct, plan on 2 to 3 hours of assembly.
Why pick the Gen IV over the Gen I or Gen V 150cc?
The Gen IV gives you the lighting and dash refresh over the original Gen I without the price step up to the Gen V's full LED lighting and digital dash. It's the middle option in the 150cc lineup.
Why pick the 150cc over the 50cc Maddog?
The 150cc has real road capability. The 50cc is moped-class and tops out around 30 to 35 mph. If you need to ride on roads with 45+ mph speed limits, climb hills, or carry a passenger, the 150cc is the better fit.
What's the difference between Gen I, Gen IV, and Gen V?
The engine, frame, and CVT transmission are the same across all three generations in the 150cc class. Gen I has the original styling with a halogen headlight and analog speedometer. Gen IV added refreshed lighting and updated dash details. Gen V is the latest version with full LED lighting and a digital dash.
Can I customize it?
Yes. The Maddog frame supports a wide range of aftermarket parts including exhausts, mirrors, seats, lights, and body panels. Parts that fit Gen I and Gen V Maddogs in the same cc class generally fit Gen IV.
Where do I get service or replacement parts?
Visit our Parts page or contact an authorized Icebear dealer in your area. We publish service manuals on the Service Manuals page of this website.
Is it street legal?
Yes, in all 50 US states under motorcycle registration. State requirements for license, insurance, and registration vary. Check your local DMV before you ride.
Is it good for beginners?
The automatic CVT transmission removes the learning curve of clutch and gear control, which makes it easier than a manual motorcycle. New riders should still take a motorcycle safety course before riding on public roads, especially with the 150cc's higher speed capability.
Will my bike look exactly like the photos?
Some parts may vary slightly from the photos depending on production batch. The engine, frame layout, and core specs stay the same.
