How should I set my suspension on my dirt bike?
Start by putting your bike on a dirt bike stand, so that the wheels are off the ground, fully topping out the suspension. Measure the distance from the axle block to a point directly above it on the bike’s fender. Use the same point every time you measure. (Some riders cut a notch or draw a line to mark their point.
Does a YZ85 have gears?
The Yamaha YZ85 is a motorcycle designed specifically for off-road and Motorcross racing. It is powered by an 84.7 cc single-cylinder, water-cooled, two-stroke, reed valve inducted engine and uses a 6-speed, constant-mesh, manual gearbox; with a multi-plate, wet-clutch.
How can I make my YZ85 faster?
Going up in the front and down in the back will produce a higher top speed. If you want more power out of the bike you can also change the gearing around but you will loose top end/speed. Essentially the bike will be slower than it is now but feel stronger down low.
How much horsepower does a Yamaha 85 have?
It beats out its Japanese competitors, the KX85 and RM85, by producing 23.49 horsepower and 10.61 pounds of torque—both of which are smaller numbers than the previous YZ85 engine; however, Yamaha’s engineers knew that with the limited budget they had they weren’t going to match the KTM 85’s 25 horses and they were …
How do I stiffen my dirt bike suspension?
Dirt Bike Suspension Tuning Adding oil stiffens the fork and increases bottoming resistance, while removing oil softens the fork. Add or subtract oil in small 10cc gradients until you get your desired effect. You can add fork oil through the air bleeder with a small syringe.
How tall should you be to ride a YZ85?
Dirt Bikes Size Chart vs Age and Height
| Age | Body Height (Inches) | Seat Height (CM) |
|---|---|---|
| 10-12 year-olds | 4’9 | 66-79cm |
| 12+ years | 5’2″ | 79-89cm |
| 12+ years | 5’4″ | 84-92cm |
| 12+ years | 5’6 | 86-94cm |
How tall should you be for a yz125?
The Yamaha YZ125 is a motocross racing motorcycle with a two-stroke 124.9 cc (7.62 cu in) displacement single-cylinder engine made by Yamaha since 1974. It is available to the public….Yamaha YZ125.
| Manufacturer | Yamaha |
|---|---|
| Dimensions | L : 2,140 mm (84.1 in) W : 830 mm (32.6 in) H : 1,320 mm (51.8 in) |
| Seat height | 1,000 mm (39.3 in) |
How fast does a Yamaha 85 2 stroke go?
50 mph (Est.)
How do I stiffen my rear suspension?
How to Stiffen a Rear Suspension
- Replace the rear shock absorbers with coil-over models.
- Replace the rear sway bar bushings with polyurethane.
- Replace the rear leaf spring shackles with longer dimensions.
- Add hardware that the vehicle did not come with, but was an option/upgrade for the model.
Is the YZ85 suspension the same as last year?
The 2019 YZ85 suspension is similar to my Race Tech stuff because it doesn’t react that quick and feels like it has more of a slower feel to it. I also notice that in braking bumps the Yamaha YZ85 doesn’t move that much and sticks to the ground better than my last year’s Yamaha.
Is the Yamaha YZ85 a good motocross bike?
Yamaha knew that if they filled the huge hole in the bottom and midrange, the YZ85 would feel like a much-improved bike on the track. Mission accomplished. The 2019 Yamaha YZ85 might not be blazingly fast like the KTM 85SX, TC85 or TM 85MX, but it is a bike that has its charms.
What’s the compression ratio on a Yamaha YZ85?
One of the biggest updates on the YZ85 engine is the addition of the YPVS (Yamaha Power Valve System). This is a dual-valve mechanical system. The YPVS begins to open and operate at 8500 rpm and is open fully at 9000 rpm. When the YPVS is open, the compression increases from 8.1:1 to 8.2:1.
What does YPVS do on a Yamaha YZ85?
(1) YPVS. One of the biggest updates on the YZ85 engine is the addition of the YPVS (Yamaha Power Valve System). This is a dual-valve mechanical system. The YPVS begins to open and operate at 8500 rpm and is open fully at 9000 rpm. When the YPVS is open, the compression increases from 8.1:1 to 8.2:1.