What is the spark plug gap for a 1981 Honda twinstar?

Tire pressure f/r 28 psi
Tire size front 100/90-18
Rear 140/90-15

Replacement bulbs
Headlight 12v 60/55w
Tail/breaklight sae 1157
Turn signals f/r sae 1073
Instruments sae 57

Torque specs in foot-pounds
Oil filter cover 21-22
Oil drain bolt 23-27
Fork cap bolt 11-22
Fork bridge bolt
Upper 7-9
Lower 13-18
Handle bar bolts 13-18
Rear axel nut 58-72
Cylinder head bolts 22-25

Tune-up specs
Valve clearance, in inches
Intake 0.003-0.005
Exhaust 0.005-0.006
Compression pressure 157-185 psi
Spark plug ND X24EPR-U9
NGK DPR8EA-9
Spark plug gap 0.8 � 0.9 mm
0.032 � 0.036 inches
idle speed 1,200 + - 100

oil capacity
on rebuild 3.2 quarts
on oil change 2.6 quarts

fork oil capacity 12.3 � 12.5 ounces
fork oil � Dexron AFT fluid, or fork oil from the dealer

replacement chain (112 links) DID525V or RK525 MO-21