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8-73
11. Thoroughly apply Yamaha foam air filter oil or
other quality liquid foam air filter oil (not spray
type) to the sponge material. The sponge
material should be wet but not dripping.
12. Pull the sponge material over its frame.
13. Reinstall the air filter element.
14. Insert the projections on the air filter case
cover into the holders on the air filter case,
and then install the air filter case cover by
hooking the holders onto the cover.
15. Install the air intake duct shroud by installing
the quick fastener screws.
16. Close the hood.
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8-75
The air filter element should be cleaned every 20–
40 hours. It should be cleaned and lubricated
more often if the vehicle is operated in extremely
dusty areas. Each time air filter element mainte-
nance is performed, check the air inlet to the air fil-
ter case for obstructions. Check the air filter
element rubber joint to the throttle body and mani-
fold fittings for an airtight seal. Tighten all fittings
securely to avoid the possibility of unfiltered air en-
tering the engine.NOTICE
Never operate the engine with the air filter ele-
ment removed. This will allow unfiltered air to
enter, causing rapid engine wear and possible
engine damage. Additionally, operation with-
out the air filter element will affect the fuel in-
jection system with subsequent poor
performance and possible engine overheating.
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10-4
Final gear case oil:
Type SAE 80 API GL-4 Hypoid gear oil
Quantity 0.25 L (0.22 Imp qt, 0.26 US qt)
Differential gear case oil:
Type SAE 80 API GL-4 Hypoid gear oil
Quantity 0.18 L (0.16 Imp qt, 0.19 US qt)
Radiator capacity (including all routes): 2.35 L (2.07 Imp qt, 2.48 US qt)
Air filter:
Air filter element Wet element
Fuel:
Type Unleaded gasoline only
For Europe: Regular unleaded gasoline only with a
research octane number of 91 or higher
Fuel tank capacity 30.0 L (6.60 lmp gal, 7.93 US gal)
Throttle body:
Type/quantity 41EHS/1
Manufacturer MIKUNI
Spark plug:
Type/manufacturer CPR7EA-9/NGK
Spark plug gap 0.8–0.9 mm (0.031–0.035 in)
Clutch type: Wet, centrifugal automaticModel YXR70FX
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