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SYX MOTO
SYX MOTO MK 40cc 4 Stroke Pull Start Mini Dirt Bike

SYX MOTO MK 40cc 4 Stroke Pull Start Mini Dirt Bike

Last price we saw

$279.00last seen Oct 29

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Deal: 69% off at syxmoto.com →

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Our take on the SYX MOTO MK 40cc 4 Stroke Pull Start Mini Dirt Bike

The SYX MOTO MK is a 40cc four-stroke mini dirt bike with a pull start, a fully automatic transmission and no clutch or shifting. A speed-limiter screw lets parents cap top speed, which reaches about 19 mph, and it runs on regular unleaded with no oil-gas mixing. It rolls on 10-inch knobby tires with front and rear suspension and mechanical disc brakes. No current price was provided, so check the latest best price against its recent range before buying.

Best forKids around 6 to 9 as a first gas-powered bikeParents who want a throttle-limited starter bikeGrass, dirt and gravel backyard ridingBuyers who want to avoid two-stroke fuel mixing
Pros
  • Four-stroke engine runs on plain unleaded, no mixing
  • Fully automatic: no clutch, no shifting
  • Adjustable speed-limiter screw caps top speed
  • Front and rear mechanical disc brakes with small-hand levers
  • Front and rear suspension and 10-inch knobby tires
  • Kill switch and training-wheel-ready design
Cons
  • Training wheels sold separately
  • Reports of gas leaks and carburetor failures after first use
  • Can be hard to restart once warm
  • Decals fade or whiten in the sun
  • Top speed near 19 mph is fast for small riders unless limited

SYX MOTO MK 40cc 4 Stroke Pull Start Mini Dirt Bike price history

Lowest price we've seen: $279.00 on Oct 29. Tracked across 1 store since Oct 29.

What reviewers say

Owners of the MK 40cc mostly describe easy assembly, quick starting out of the box and a sturdy frame with strong power for its size. The recurring complaints are fuel and carburetor problems and difficulty restarting a warm engine.

Pros
  • Easy assembly, often around half an hour
  • Starts right up out of the box
  • Sturdy frame and strong power for its size
  • Kill switch works as intended
Cons
  • Gas leak after first use
  • Carburetor needed replacing
  • Hard to restart once it has been running
  • Decal edges faded or turned white in the sun

From syxmoto.com

  • 40cc 4-stroke air-cooled engine with pull start—no oil-gas mixing, runs on regular unleaded
  • Fully automatic transmission: no clutch and no gear shifting
  • Adjustable speed limiter screw lets parents restrict top speed (up to about 19 mph)
  • Training-wheel ready (training wheels sold separately)
  • Front and rear mechanical disc brakes with brake levers sized for smaller hands
  • 10-inch knobby off-road tires with front and rear suspension for grass, dirt and gravel
Materials
Iron frame, aluminum triple clamp, iron plate swing arm, impact-resistant iron gas tank, aluminum rims
Fit
Recommended for ages 12+; max load 132 lbs (60 kg); seat height 23.6 inches
Sizing
Recommended user age 12+ years old; max load 132 lbs (60 kg); seat height 23.6 inches (600mm)
Care
Check the oil before starting; engine ships with oil in it
Guarantee
Engine covered against manufacturer defects for three months; parts for one month; damage on arrival must be reported within 3 business days of delivery
Shipping
Ships to 47 continental US states only; not CA legal and not shipped to CA; processing usually 1-2 business days, shipping usually 1-5 days; shipping fee calcul

What buyers say

Buyers like
  • Perfect size for a 7-year-old; grandkids love it
  • Easy to assemble, often in about half an hour
  • Starts right up out of the box
  • Sturdy frame and strong power for its size
  • Emergency kill switch works as intended
  • Solid packaging and fast delivery
Buyers complain about
  • Gas leak after first use; carburetor needed replacing
  • Hard to restart after it has been running
  • Packaging damaged in shipping, leaving minor scratches
  • Stickers/decal edges faded or turned white in the sun

Specifications

Mini
Yes
Engine Size
40cc

Questions and answers

Is the SYX MOTO MK 40cc worth it for a beginner kid?
It suits a first-time rider around 6 to 9 because there is no clutch or shifting and the speed-limiter screw lets you cap the throttle. Budget for training wheels, which are sold separately, and expect some carburetor tinkering.
How fast does it go, and can parents limit it?
Top speed is about 19 mph. The adjustable limiter screw on the throttle lets parents restrict speed well below that while a child learns.
Does it need oil mixed with the gas?
No. The 40cc four-stroke runs on regular unleaded only, so there is no two-stroke oil to mix. Check the oil level separately as part of routine maintenance.
What size rider fits it?
It is a mini bike built for kids, with 10-inch tires and levers sized for smaller hands. Owners commonly report it as a good fit for a 7-year-old.
Does it come with training wheels?
No. The bike is training-wheel ready, but the training wheels are sold separately. Confirm what else is in the box with the seller before ordering.
When is the price lowest?
Mini dirt bikes like this tend to dip outside spring and early-summer buying season and during holiday sales. Check the price history for this listing to see where the current price sits.
What do buyers say about the SYX MOTO MK 40cc 4 Stroke Pull Start Mini Dirt Bike?
Buyers like: Perfect size for a 7-year-old; grandkids love it; Easy to assemble, often in about half an hour; Starts right up out of the box. Common complaints: Gas leak after first use; carburetor needed replacing; Hard to restart after it has been running.