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PG. 10 ULTRAGRIND
H. Troubleshooting main drive belt
If the engine runs, but the drive unit will not engage,
this is usually related to the main drive belt. Without
removing the drive unit you can check and fix the
following:
1. Remove the two (2) 3/8" bolts holding the
belt cover to the body. Remove the one (1)
3/8" bolt holding the muffler bracket to the belt
cover. Check if belt tension by pinching belt
together. Belt should depress only 1/2".
2. Check to see if belts have come off of input
pulley or centrifugal clutch. If so, install belts
back on the pulley. Note: If belts come off
again they are probably worn or stretched
and need replacement.
KAWASAKI 603cc ENGINE
Tune-up Specifications
ITEM
Ignition Timing
Spark Plugs:
Gap
Low Idle Speed
High Idle Speed
Valve Clearance
NOTE: High and low idle speeds may vary depending
on the equipment on which the engine is used. Refer
to the equipment specifications.
Engine Oil
Check the engine oil daily before starting the engine
otherwise shortage of the engine oil may cause
serious damage to the engine such as seizure.
• Place the engine on a level surface. Clean the
area around the oil gauge before removing it.
• Remove the oil gauge and wipe it with a clean cloth.
• Pour the oil slowly to "FULL" mark on the oil
gauge.
• Insert the oil gauge into the tube WITHOUT
SCREWING IT IN.
• Remove the oil gauge to check the oil level. The
oil level should be between "ADD" and "FULL"
marks. Do not overfill.
• Install and tighten the oil gauge.
Recommended Oils
The following engine oils are recommended.
API Service Classification: SF, SG, SH, or SJ.
SPECIFICATIONS
Unadjustable
NGK BPR4ES
0.75 mm (0.30 in)
1550 RPM
3400 MAX RPM
IN: 0.10-0.15 mm
(0.004-0.006 in)
EX: 0.10-0.15 mm
(0.004-0.006 in)
Oil Viscosity
Choose the viscosity according to the temperature
as follows:
-20˚C -10˚C
0˚C
SAE10W-30/SAE10W-40
SAE5W-20
-4˚F
14˚F
32˚F
NOTE: Using multi grade oils (5W-20, 10W-30, and
10W-40) will increase oil consumption. Check oil
level more frequently when using them.
Engine Oil Capacity
FS481V 1.7 L (1.8 US qt.) when oil filter is removed
Oil Change
Change oil after first 8 hours of operation.
Thereafter change oil every 50 hours.
• Run the engine to warm oil.
• Be sure the engine (equipment) is level.
• Stop the engine.
• Open the oil drain valve and drain the oil into
suitable container while engine is warm.
WARNING!
!
Hot engine oil can cause severe burns.
Allow engine temperature to drop from hot to
warm level before draining and handling oil.
Oil Drain Plug
• Close the oil drain valve.
• Remove oil gauge and refill with fresh oil
(See "Recommended Oils" ).
• Check the oil level (see "Preparation" on page
3 for oil level check).
Oil Filter Change
• Change the oil filter every 100 hours of
operation.
WARNING!
!
Hot engine oil can cause severe burns. Allow
engine temperature to drop from hot to warm
level before attempting to remove oil filter.
CAUTION! Before removing the oil filter, place
a suitable pan under filter connection.
• Drain engine oil into a suitable container.
• Rotate the oil filter (A) counterclockwise to
remove it.
10˚C
20˚C
30˚C
40˚C
SAE40
SAE30
50˚F
68˚F
88˚F
104˚F
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