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Timing Belts
GL1000 & GL1100 (requires 2)
Honda part #14400-371-04/14400-371-14
Gates #T274
NAPA #250274
Goodyear Gatorback #40274 (AutoZone & ??)
Radiator Hoses
Napa #7733 ($16.95) does both top & bottom
Gates - #21008 does both top & bottom
AutoZone - #B70834 ($9.95) does both top & bottom
(may need new screw clamps, my stock ones worked okay)
Radiator Cap -- Standard style with 13 Lbs pressure, any auto supply store
NAPA/Belkamp #703-1445 or STANT #10229
Murray #7713
Thermostat
NAPA #101
Stant #13868
Murray #3868
Oil Filter for GL1000 & GL1100
Honda Part #15410-426-010, 15410-422-004
Napa #PS4940
WIX #24940
Purolator #ML16809
FRAM # CH6009
Cam Seals Honda part #91209-371-003, Oil Seal (27X43X9)
Napa #ATM 2117994, Altrom
Beck Arnley #052-2755, AutoZone
Note: x3 on 1000s and x2 on GL1100s.
Signal Flasher
NAPA #552 flasher relay, 2 pole
Tridon EL12 at most autoparts stores ~$10 electronic flasher, stops slow/fast flashing. Try the 552 first.
Rear Oil Seal for the clutch lever
NAPA #5410 Transeal, made by SKF 14x24x6
Valves, Intake/Exhaust Parts'n'More 10 and 15 bucks each respectively.
Spark Plugs - (1000, 1100, 1200) Stock is NGK D8ES.
D7EA or ND X22ES-U for cold climate
D8EA or ND X24ES-U for standard operation
D9EA or ND X27ES-U for extended high speed operation
Serviceable Fuel Filter from Spectre
O"Reilly's Auto Parts, p/n 6932, about $10
Hall's Speedshop online
Copper Squash Gaskets (exhaust header) - (1000, 1100)
NAPA; Fel-Pro part number 60567 or 12-1002.
The automotive applications are 1976-84 Honda 1.3, 1.5, 1.6 and 1.8 liter 4 cylinder engines. May also fit some 1991-95 Nissan 4 cylinders. $1.49 each. Thanks to sunnbobb in this thread.
Regulator/Rectifier from socrace
Shindengen part number FH008EB, from 04-07 CBR1000RR and CBR600RR.
"This is a true series regulator, it does not work by shunting current like all [of Honda's] previous models." Get more info in this post by socrace.
Wheel Bearings - GL1000 & GL1100
Front - 6302 2RS (x2)
Rear - Takes a 6204 2RS & a 6304 2RS
Readily available from any bearing distributor.