Yamaha YXR70FX, Owner'S Manual

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8-4
EVU01640
Periodic maintenance chart for the emission control system
●
For vehicles not equipped with an odometer or hour meter, follow the month maintenance in-
tervals.
●
For vehicles equipped with an odometer or an hour meter, follow the km (mi) or hours mainte-
nance intervals. However, keep in mind that if the vehicle isn’t used for a long period of time,
the month maintenance intervals should be followed.
●
Items marked with an asterisk should be performed by a Yamaha dealer as they require spe-
cial tools, data and technical skills.
ITEM ROUTINE
Whichever
comes first
INITIAL EVERY
month 1 3 6 6 12
km
(mi)
320
(200)
1,200
(750)
2,400
(1,500)
2,400
(1,500)
4,800
(3,000)
hours 20 75 150 150 300
Fuel line*
• Check fuel hose for cracks or damage.
• Replace if necessary.
Valves*
• Check valve clearance.
• Adjust if necessary.
Spark plug
• Check condition.
• Adjust gap and clean.
• Replace if necessary.
Crankcase breather
system* • Check breather hose for cracks or damage.
• Replace if necessary.
Exhaust system*
• Check for leakage.
• Tighten if necessary.
• Replace gasket(s) if necessary.
Spark arrester • Clean.
EE.book Page 4 Thursday, September 6, 2007 4:28 PM