The Yamaha YZ85 is a lightweight, high-performance motocross bike designed for young riders. Known for its agility and punchy two-stroke engine, it's a popular choice for aspiring racers aged 9 to 15.
Yamaha YZ85
Release Date & Market Availability
Introduced in 2002, the YZ85 has been in continuous production, with significant updates in 2019 and 2022. It remains available in Yamaha's lineup, including the Large Wheel (LW) variant.
Common Issues
Some riders have reported:
Front-end instability when the bike is lowered improperly.
Tight gear ratios requiring frequent shifting.
Subframe durability concerns.
Fork lugs extending too low, affecting handling.
Potential head gasket and water pump seal failures.
Difficult-to-remove gas cap.
Pros
Lightweight and agile handling.
Durable and reliable with proper maintenance.
High-revving engine suitable for racing.
Adjustable suspension for customization.
Cons
Not beginner-friendly; requires clutch proficiency.
Limited low-end torque.
High maintenance demands.
Potential for specific mechanical issues if not properly maintained.
Overall, the Yamaha YZ85 remains a solid choice for young motocross enthusiasts with some riding experience
Yamaha YZ85 Gear Ratio
I 2.538
II 1.785
III 1.381
IV 1.125
V 0.961
Yamaha YZ85 Carburetor Main Jet Size
#135
Yamaha YZ85 Carburetor Pilot Jet Size
#45
Yamaha YZ85 Carburetor Starter Jet Size
#60
Yamaha YZ85 Pilot Air Screw
1.5 turns out
Yamaha YZ85 Fuel to oil Ratio
32:1
Yamaha YZ85 Throttle Cable Freeplay
2-4 mm
Yamaha YZ85 Front Brake Lever Free Play
10-20 mm
Yamaha YZ85 Rear Brake Lever Free Play
10-20 mm
Yamaha YZ85 Chain Free Play
20-30 mm
Yamaha YZ85 Fuel Consumption
25-30 kmpl. (Avg.).
Yamaha YZ85 Tire Pressure
Front Tire Pressure is12 psi and The Rear Tire Pressure is 15 psi.
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