.028"
The oil drain plug is on the front of the motor below the oil filter.
.024 to .028
If you look at the diff. you will see a drain plug and a re-fill plug. Check with your local dealer for the right oil.
.032" to .035"
The 1979 Honda motorcycle spark plug gap is .013. Most spark plugs will come pre-gapped from the spark plug manufacturer.
Remove the chrome cover, pull out the plug cable, use the spark plug socket with a ratchet.
The 1981 Honda 200 spark plug gap is .023. Most spark plugs will come pre-gapped from the spark plug manufacturer.
It depends somewhat on the plug type/manufacturer, but .035" is the "normal" factory recommended gap.
The recommended spark plug gap for a 1981 VW Rabbit is .028"
Spark plug gap on this engine is .030
0.045
1981 Jeep CJ5 4.2L 2BL 6cylThe Spark Plug Gap.035 (In thousandths of an inch)