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you will not find instruction for that , because the rear shock is charged with pressurized gas .....you can take the mounts and coil off , shock has to serviced by a tech.
2001 Yamaha YZ80 Specifications
Engine
Engine Type
2-stroke
Displacement
83 cc
Bore x Stroke
47 mm x 47 mm
Compression Ratio
8.2:1
Engine Cooling
Liquid
Carburetion
Carburetor
26mm Mikuni
Transmission
Transmission
6 - speed
Chassis
Wheelbase
49.5 in
Ground Clearance
13.7 in
Seat Height
33.6 in
Fuel Tank Capacity
1.3 gallons
Forks
Forks
33mm Kayaba
Fork Travel
10.8 in
Shock
Shock(s)
Kayaba
Shock Travel
11.1 in
Wheels and Tires
Front Wheel
17 in
Rear Wheel
14 in
Brakes
disk/disk
Other Information
Intended Use
Motocross
Color Scheme
Blue
Cost when new
$3199
if it has an adjustable coil shock on the back u should be able to turn the collar on the botom of the spring to tighten it up, somtime's there is a spetial too needed
there is no quantity that i can give you.....you have to fill that thing completely and make sure you have no air at all in it...maybe you can see this important step on you tube....otherwise the pressure of nitrogen is between 150-175 lbs depending on the way you like you're bike to absorb..make sur you place you're valving shim in right place if you change you seal....
Nitrogen is used for it's high pressure and lack of moisture,Air will work,but you can only get about 125psi and alot of moisture and 125psi will not be enough pressure.
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