Maintenance Intervals - Yamaha EX440D Supplemental Service Manual

(
b. Tig hten the pulse r set screws.
8. Remove the dial gauge and stand. Re-
place the spark plu g and recoil starter.
Tightening torq ue
Spark plug : 2.8 m-kg (20 ft- Ib)
Sta rter assemb ly : 0.7 m- kg (5 ft-Ib)
2. MAINTENANCE INTERVAL
[PERIODIC MAINTENANCE]
1980 EX440D
NOTE: -------------------------
The tim ing light shou ld be used to check if
the marks on the rotor and base are aligned
when both are rep laced with new ones . The
marks shou ld a li gn at any specified timing .
Every
Check point
2 0 hrs. or 40 hrs. or 80 hrs. or
When
Seasona lly
400 km 800 km 1.600 km
necessary
(250 mil
(500mi) (1.000mi)
ENGINE:
Tightness of bolts and nuts
0 0
8ends. cracks and wear 0
0
Abnorma l no ise 0
0
Loose connection and breaks of fuel and pulse pipes
0
0
Loose con nection and breaks of oil pipes 0
0
Loose connection and breaks of oil delivery pipe 0
0
Manua l rope starter syst em 0 0
Carbu retor
•
Operation of starter jet 0
0
•
Mixing adjuster (pilot sc rew)
0 0
• Idli ng speed adjust me nt
0
0
Operation and adjustment of oi l pump 0
0
Ign ition ti ming
0
Cylinder comp ressions
0
a
M uffler joints
0 0
Cylinde r head/ exhaust pipe decarbonize
0
Spark plug cond ition. gap and cleaning 0 0
Tig htening of the cy linde r head"
0
DR IVE:
Tightness of bolts and nuts 0
0
Wea r on slide runners
0 0
Primary drive system 0 0
V-be lt 0
0
Secondary drive system 0 0
Sheave distance
0 0
Sheave offset 0 0
Brake pad wear 0 0
Brake ope rat ion and ad justment
0
0
Guide whee l rubber 0
0
Wea r of drive track w hee l sprocket 0
0
Drive track ad justmen t
0
0
Breaks in drive track 0
0
Be nds in fro nt and rear axles 0
0
Checking of lock washe rs
0 0
Drive cha in adjustment 0
0
Drive chain oil level 0
0
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