Yamaha DT501988 Owner's Manual page 52

ITEM REMARKS
Check coolant leakage. Repair if necesarry.
Cooling system Replace coolant every 24,000 {16,000) or
24 months.
Drive chain
Check chain slack/alignment. Adjust if necessary.
Clean and lube.
Fittings/ Fasteners·
Check all chassis fittings and fasterners.
Correct if necessary.
Sideststand·
Check operation. Repair if necessary.
Sidestand switch Check operation. Clean or replace if necessary.
Check specific gravity.
Battery·
Check breather pipe for proper operation.
Correct if necessary.
It is recommended that these items be serviced by a Yamaha dealer.
Medium weight wheel bearing grease.
7-4
EVERY
BREAK-IN 3,000 6,000
1,000(600) {2,000) or (4,000) or
6 months 12 months
0 0
EVERY 500 (300)
0
0
0
0
0 0
0
0
0
0
0