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ENGINE MAINTENANCE

Before Engine Starts

CHECKING DRIVE BELT

1.    Inspect for cracks fraying, wear or oiliness. Replace if necessary.

The belts should not touch the bottom of the pulley groove.

2.    Check drive belt deflections by pushing mid-way between pulleys.

Adjust if belt deflections exceed the limit.

Unit: mm (in)

	Used belt deflection		Set deflection of new belt
	Limit	Adjust deflection
Alternator	19.0 (0.748)	13.5-16.0 (0.531 - 0.630)	12.5- 14.0 (0.492-0.551)

Applied pushing force: 98 N (10 kg, 22 Ib)

Alternator belt

1.    Loosen the upper and lower alternator securing bolts until the alternator can be moved slightly.

2.    Move the alternator with a prying bar until the belt deflection is within the specified rangę. Then tighten the bolts securely.

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REPLACING AIR CLEANER FILTER

Air cleaner filter is a viscous paper type and does not require cleaning.

1. Remove air cleaner cover and remove air cleaner filter.

2. Install new air cleaner filter and install air

cleaner cover.

Align the mark on air cleaner cover to the mark on body.

CHECKING CHOKE MECHANISM (Choke piąte and linkage)

1.    Check choke valve and mechanism for free operation, and clean or replace if necessary. Binding can result from Petroleum gum forma-tion on choke shaft or from damage.

2.    Before starting engine, fully open throttle valve and make surę that choke valve closes properly.

3.    Push choke valve with your finger, and check for binding.

4.    Check to be surę that the punched index mark on the bimetal cover meets the scratched index mark on the choke housing, as shown below.

Do not set the bimetal cover index mark at any other positions except the punched mark on the choke housing.