What size motor does a YZ125 have?
Table of Contents
124 cc
The engine produces 35 hp (26 kW). The YZ125 has been built with five- or six-speed manual sequential gearbox depending on model year….Yamaha YZ125.
Manufacturer | Yamaha |
---|---|
Engine | 124 cc (7.6 cu in) reed valve two-stroke single |
Power | 33.53 hp (25.00 kW) |
Transmission | 5- or 6-speed sequential manual |
Suspension | Mono-shock, 13 inches travel |
How do I tell what year my YZ125 is?
Here’s the Casting stamp to determine the year model of the cylinder and head . The first 3 digits determine the year model the rest is production line order etc. The stamps on the head are on the top. On the cylinder, it’s found where it says the capacity of the engine i.e. 124-cc stamped on the side.

How much horsepower does a 2020 YZ125 have?
34.84
At peak, the KTM produces 37.50 horsepower, while the YZ125 makes 34.84.
How fast does a 125 2 stroke go?
But now, how fast does a 125cc dirt bike go? Most four-stroke 125cc dirt bikes can reach a top speed of 45mph, while their two-stroke counterparts can hit 55-75 mph, depending on the brand, terrain, among other factors.

How tall should you be to ride a 125 2 stroke?
5’6″ is plenty tall enough for a 125. In fact, it’s exactly how tall Ricky Carmichael is. Like others said, you can cheat a little height out if it feels too tall. Shave the seat, notch the subframe, run a bit more sag and lower the forks in the triple clamps.
How do you read a Yamaha outboard serial number?
The number at the top right is the Yamaha model number and year. The number denotes the outboard’s HP, and the last letter denotes the outboard’s year of manufacture. In the picture above, the F225TXRC outboard’s 225 means it’s 225HP and it was manufactured in 2004.
Is a YZ125 reliable?
These are still considered some of the best motocross bikes, especially the 1999 model. They are fast, reliable, and are just a great overall bike.
Is a YZ125 a 4 stroke?
Powerful New YZ125 Engine The new YZ125’s two-stroke engine represents an increase in power and usability over the 2021 model.
How fast will a 125 2-stroke go?
How old should you be to drive a YZ 125?
In fact, most of the experts on matters concerning riding dirt bikes suggest that kids below 3 years should not be allowed to ride bikes. This makes you understand that the recommended age in this regard, is 3 years and above. If your kids are aged let’s say 10 years old and above, you can get them dirt bikes that have small engine capacity.
How fast will a YZ 125 go?
Yamaha YZ125; Production: 1997 – 2000: Top Speed: 72 mph: Weight: Recommended Oil: Yamalube 10w-40
How much horsepower does a YZ 125 have?
The YZ125 has a 124 cc (7.6 cu in) reed valve-inducted two-stroke engine. It was air cooled from 1974 to 1980, and liquid cooled since 1981. It has a Mikuni 38 mm TMX series carburetor. The engine produces 35 hp (26 kW).
Can a YZ 125 be good trail bike?
Yamaha’s tried-and-true YZ125 is a very capable machine in stock trim and doesn’t need much to be an off-road bike. With some necessary protection upgrades like a skid plate and handguards along with an oversized tank, the YZ is ready to rip the trails and make it back to the truck in one piece worry-free.