Tune Up Specs

Classic Goldwings

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AApple

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Location
Duncanville, Texas
My Bike Models
1981 GL1100 Innerstate("The Turd")SOLD!!, 1996 GL1500 Innerstate
Valve Clearance (Cold):
1975-1979:
Intake and Exhaust: 0.004 in (0.10 mm)
1980 on:
Intake: 0.004 in (0.10 mm)
Exhaust: 0.005 in (0.13 mm)

Spark Plug Type:
Standard Heat Range:
1975-1981: ND X24ES, NGK D8EA, Champion A8-Y
1982 on: ND X24EPR-U9, NGK DPR8EA-9

Cold Weather:
1975-1980: ND X24ES-U, NGK D8EA
1981: ND X27ESR-U, NGK DR9ES
1982 on: ND X22EPR-U9, NGK DPR7EA-9

Extended High Speed Riding:
1975-1980: ND X22ES-U, NGK D7ES
1981: ND X22ESR-U, NGK DR7ES
1982 on: ND X27EPR-U, NGK DPR9EA-9

Spark Plug Gap:
1975-1981: 0.024-0.028 in(0.6-0.7 mm)
1982 on: 0.031-0.035 in(0.8-0.9 mm)

Breaker Point Gap/Dwell:(1975-1979)
Gap: 0.012-0.016 in(0.3-0.4 mm)
Dwell: 90 deg +/-2.5 deg

Ignition Timing:
1975-1977:
Advance @ Idle: 5 deg BTDC @ 950 rpm
Maximum Advance: 37.5 deg BTDC @ 2,300-2600 rpm
1978-1979:
Advance @ Idle: 10 deg BTDC @ 950 rpm
Maximum Advance: 37.5 deg BTDC @ 2,300-2600 rpm
1980-1981:
Advance @ Idle: 13 deg BTDC @ 950 rpm
Maximum Advance: 38.5 deg starts @ 950 rpm
1982:
Advance @ Idle: 10 deg BTDC @ 950 rpm
Maximum Advance: 38.5 deg starts @ 950 rpm

Idle Speed: 950 rpm

Firing Order: 1-3-2-4

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