ID # 34261314

2025 GASGAS MC 85 17/14

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Together with our global team of talented, young test riders, we've developed what can only be described as an incredible 2-stroke motocross bike! From the new frame and WP shock to the improved motor and redesigned bodywork, just about everything is new, making for a seriously fresh MC 85 in 2025. As well as the increased performance, the riding experience is considerably improved too. Slimmer ergonomics and a handlebar bend created specifically for younger racers inspires confidence and makes laps at the track so much more enjoyable. The end result of all the changes is a bike that delivers incredible performance and rideability for such a small motorcycle. And if there's one thing that we can guarantee, it's that kids will absolutely love it!

Specifications

Model

MC

Category Name

Motorcycles

Year

2025

Sale Type

New

Manufacturer

GasGas

Color

Anthracite Metallic

style

STYLE

Looking just like our full-size motocross bikes, the MC 85 is finished with the same style graphics. Applied to the all-red, ergonomic bodywork using in-mould technology, they'll never fade, peel, or scratch. So, this little ripper will look legit for quite some time. Topping off the look is the full gripper seat cover (in red, of course!) that features a unique texture for maximum grip for when you're either sat down and hard on the gas or up on the pegs and attacking the track.

BODYWORK

All-new from front to back! The bodywork may have changed massively for 2025 but its classic, bold red color remains. It's slimmer too, especially at the back of the bike, which means riders can move from seated to standing and back again with very little effort. Put simply, the MC 85 now offers a much improved riding experience and is a dream to ride. And to make sure the bike best fits the average height of the kids who'll ride it, the seat height is 845mm.

HANDLEBARS

The new, black-anodized aluminum handlebars really stand out, matching the graphics, rims, and silencer perfectly. But they've not been changed for cosmetic reasons. The bar bend has been designed specifically for kids so that they can always ride with maximum comfort and with a perfect technique. For total control and to give the MC 85 a full-size feel, the black ODI grips (as found on our full-sized bikes) are fitted to each model while a big bar pad protects the rider on heavy landings.

AIRBOX

New air ducts on the top side of the airbox deliver more air into the motor for maximum horsepower. Then, when it comes to checking out the Twin Air filter to see how dusty it is, the process remains the same. Simply pop the side panel off using your hands and if a fresh filter is needed, the fail-proof mounting design ensures a secure fitment for complete peace of mind.

handling

SUBFRAME

Made from aluminum reinforced polyamide glass fiber, the subframe plays an important role in creating slim ergonomics. It's also super compact too, which means it helps centralize mass, and that assists with the overall handling.

FRAME

Knowing how good the frames are on the full-size GASGAS motocross bikes, our clever engineers set about transferring all the good stuff over to the new steel frame on the MC 85. We're talking straight-line stability, agility in the corners, and just the right amount of flex for maximum comfort. And it's safe to say that the end result is a huge step forward from the outgoing bike. Even the red frame protectors are new. Instead of a smooth finish, they now have a textured surface to help kids grip the bike better with their legs, which in turn helps to reduce fatigue.

WP FORKS

To make sure the MC 85 remains perfectly balanced after we fitted a new WP XACT shock for 2025, the pressure inside the WP XACT AER forks has been reduced slightly to 4.8 bar/69.6psi. Something else that's new is that we've added a WP XACT Pro Components cartridge kit to our Technical Accessories range. So, you can now convert the air forks to spring forks at your local GASGAS dealership, if that's what your kid prefers.

WP SHOCK

With a new frame and subframe for 2025, we've equipped the MC 85 with a brand-new WP XACT shock. Shorter in overall length to balance the bike out even more than before to improve traction, handling, and stability, it's safe to say that the new shock is a real game changer. Plus, it's fully adjustable so the preload, compression, and rebound can all be fine-tuned for a personalized set-up. And thanks to our team of test riders, we know full well that the new WP shock is a welcome addition and that kids are gonna love it.

motor

MOTOR

Hang with us, there's a lot going on with the MC 85 motor for 2025! It may look familiar, but there are plenty of important revisions that really change how this little ripper performs on track. Together, a new cylinder head, spark plug, and ignition boost power and torque in the low to mid-range while updated jetting settings and a new exhaust make sure the bike still sings when up high in the rev range. The motor is now positioned in the frame a little differently as it's rotated backwards three degrees from the same mounting point at the swingarm. That might not sound a lot, but this really helps distribute the weight of the motor to balance the bike out and creates a much more engaging ride. Finally, thanks in large part to the new components and a revised manufacturing process, the motor is 120g lighter than the old generation.

CRANKSHAFT

Allowing the MC 85 motor to both rev free and deliver unsurpassed torque and reliability, the crankshaft is precisely balanced for minimal vibration and oscillating mass.

EXHAUST SYSTEM

A new bike is nothing without a new exhaust, right? And for 2025, what you'll find on the MC 85 is as good, if not better, than any aftermarket pipe out there. The expansion chamber is made with an all-new geometry to amplify the new motor's performance. It really does squeeze out maximum power as all welding seams on the inside have been removed, ensuring a completely unrestricted exhaust flow. And just take a look at that black anodized silencer!

CLUTCH

The MC 85 clutch is reliable and robust, ensuring that when the chequered flag is in site squeezing every last drop of power out of the MC 85's motor is super easy to do. Allowing riders to keep the revs high, the bike features a super lightweight hydraulic system by FORMULA, which removes the need for adjustment and delivers a consistent biting point. Internally the MC 85 has a diaphragm spring clutch, which is characterised by its single diaphragm steel pressure plate instead of traditional coil springs.

parts

BRAKES

A redesigned rear brake master cylinder eliminates the old, minor problem of riders feeling it with their boot while riding. For 2025, that little annoyance is long gone. Otherwise, as the brakes were so good before, they're unchanged from the old model besides the new rear caliper bracket that's been brought in to fit the new swingarm.

FOOTPEGS

To give kids the control they need, the all-new footpegs are considerably bigger for 2025 for maximum grip. They're also lighter despite being larger, thanks to an updated die-casting process. And, they're designed to prevent mud from building up. A new mounting style brings the pegs closer to the center of the bike, which means they're less likely to catch on the edges of deep ruts.

WHEELS & TIRES

It's safe to say that the black anodized EXCEL rims really pop against the red bodywork. Beyond the cool factor though, the rear wheel hub has been updated to fit inside the new swingarm and also features new bearing seals taken from our full-size dirt bikes. The front wheel is carried over from the old generation. Just like before, both wheels (front 17"/rear 14") are wrapped with MAXXIS MAXXCROSS MX-ST rubber as the tread pattern and compound combine to deliver outstanding traction and stability on the widest variety of circuits.

RADIATORS

As scaled down versions of what's found on our full-size dirt bikes, the PANKL radiators are certainly up to the job of keeping the 85cc motor cool in all conditions. The coolant itself is channeled through the crankcases to really keep the bike running at the perfect temperature for both maximum performance and the very best reliability. Each radiator is housed inside protectors, that are also used to mount them onto the frame, for a super strong and durable fitment.

engine technical details

BORE

47 mm

CLUTCH

Wet, multi-disc clutch, Formula hydraulics

DESIGN

1-cylinder, 2-stroke engine

STROKE

48.95 mm

STARTER

Kickstarter

DISPLACEMENT

84.9 cm³

TRANSMISSION

6-speed

PRIMARY DRIVE

20:64

SECONDARY GEAR RATIO

13:46

FUEL-MIXTURE GENERATION

Mikuni VM 24

chassis technical details

CHAIN

428, Non-sealed

WHEELS

1.40 x 17"; 1.60 x 14"

SILENCER

Aluminium

HANDLEBAR

Tapered aluminum Ø 28/22 mm

WHEELBASE

1.282 mm

REAR BRAKE

Disc brake

FRONT BRAKE

Disc brake

SEAT HEIGHT

845 mm

FRAME DESIGN

Central-tube frame with double-cradle

REAR SUSPENSION

XACT WP PDS mono shock

FRONT SUSPENSION

XACT 43 WP Upside-Down fork, Ø 43 mm

GROUND CLEARANCE

308 mm

STEERING HEAD ANGLE

63.5 °

REAR SUBFRAME DESIGN

Aluminum-reinforced polyamide

WEIGHT (WITHOUT FUEL)

68 kg

TANK CAPACITY (APPROX.)

5.4 l

REAR BRAKE DISC DIAMETER

220 mm

SUSPENSION TRAVEL (REAR)

289 mm

FRONT BRAKE DISC DIAMETER

240 mm

SUSPENSION TRAVEL (FRONT)

278 mm

TYRE DIMENSIONS (FRONT/REAR)

70/100; 90/100

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2025 GASGAS MC 85 17/14

STYLE

BODYWORK

HANDLEBARS

AIRBOX

SUBFRAME

FRAME

WP FORKS

WP SHOCK

MOTOR

CRANKSHAFT

EXHAUST SYSTEM

CLUTCH

BRAKES

FOOTPEGS

WHEELS & TIRES

RADIATORS

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Company Info

LOCATION

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