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Honda CT90 Tech Help
Part Name |
Model or Year |
Where to Buy |
inline fuel filter |
all |
Wix # 33011 / NAPA 3011 fuel |
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Part Name |
Model or Year |
Where to Buy |
More About this Part… |
Unifilter BF-1 Bulk Air Filter Foam |
Later CT-90s and probably CT-110s. I used on a 1975. |
AZ Motorsports, MotorHelmets, RepairManual |
2 filters from 1 pkg if you are careful. Cut and form tube using silicone seal. |
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Part Name |
Model or Year |
Where to Buy |
Substitute Part |
Tail-light |
All 6Volt |
Canadian Tire |
MotoMaster part no. 20-2628-8 |
Part Name |
Model or Year |
OEM? |
Where to Buy |
More About this Part… |
Muffler rust hole fix |
Any |
JB Weld |
Almost any Home Center |
Lightly sand the area around the rust hole. If hole is larger than 1/2 ” in diameter , put scotch tape over hole. Be sure sanded area extends past the tape. Mix JB Weld and use a large tounge depresser (or similar) to spread the JB Weld over the area of the tape and on to the sanded area. |
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Part Name |
Model or Year |
Where to Buy |
More About this Part… |
Kopr-Shield |
Any |
Eastwood Co. |
This is a copper-based contact paste used to reduce electrical resistance and cortrosion, and is helpful on CT90 bullet connectors and such. Vic Barkas |
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Part Name |
Model or Year |
Where to Buy |
Substitute Part |
More About this Part… |
Jasco Metal Etch (fuel tank cleaning) |
Any |
Most hareware stores (Paint dept.) Cheap! |
Contains phosphoric acid, same as Naval Jelly |
Use undilluted quart in tank, leave 24hrs, aggitating & turning tank several times. Save and reuse. Rinse tank out with gasoline. |
Part Name |
Model or Year |
More About this Part… |
Headlight bucket |
ct200, c200 and ct90K0 |
The plastic headlight bucket that goes over the front fender is the same on these three bikes. |
Part Name |
Model or Year |
Where to Buy |
Substitute Part |
More About this Part… |
Fibre Washer for under carb top cap |
CT90 |
Home Depot, Lowes, Rona or hardware store in specity item area in screw dept. |
Manufactured by Lincoln Products – Industry, CA 91748 – Part # 129390 |
Fibre Wash 3/4 x 5/8 x 1/32 – comes in plastic envelope measuring 3 x 3 inch. |
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Part Name |
Model or Year |
Honda Part # |
OEM? |
More About this Part… |
Carby Cleaner |
All |
Yamaha Part #AAA-CARBC-LE-NR |
Yes |
May be diluted with gasoline or distilled water, see container. |
Part Name |
Model or Year |
Honda Part # |
OEM? |
Where to Buy |
More About this Part… |
Carburetor Kit |
CT90 K0 |
Keyster #KH-0202N (Original number 16100-053-305/315) |
NO discontinued through dealer. DrAtv doesn’t have them either |
Sirius |
This is the one that everyone said is discontinued. Sirius worked with the manufacturer to get the right kit and gasket. Fits CT90 K0 122551-188271 and has the correct gasket too. |
Part Name |
Model or Year |
Honda Part # |
OEM? |
Where to Buy |
More About this Part… |
Carb Kit (Honda) |
CT90 K1 from Ser. # 234852 thru CT90 – 1977 |
16010-102-004: CT90 K1 fm # 234852 thru K3# 426465: 16010-102-305: K1 fm # 234852 thru CT90 – 1977 |
16010-102-305 current stock item thru Honda dealers |
Try Western Honda – good discount 1-800-279-RIDE |
Flat bowl gasket, O rings, fuel cock gasket etc. |
Part Name |
Model or Year |
Honda Part # |
OEM? |
More About this Part… |
Carb Kit (Honda) |
CT90 K1 up to serial # 234851 |
16010-077-305 |
Honda dealers or Western Honda 1-800-279-ride – good discount |
Has round o ring for float bowl seal, 4 hole fuel cock gasket and other o rings |
Part Name |
Where to Buy |
Substitute Part |
More About this Part… |
CT90 K0 exhaust |
dratv.com |
Dr. ATV K2+ exhaust ($109) |
All that needs modified is the mounting bolt that goes through to the gas tank. I replaced the mounting bolt with a longer M6 bolt and made a sleeve to space the exhaust out. |
Part Name |
Model or Year |
OEM? |
Where to Buy |
Substitute Part |
Bridge Rectifier |
all |
no |
Radio Shack or The Source |
Radio Shack part number 276-1185, full wave bridge rectifier, about 1″ square in size with 4 terminals. Cost $2.98 and works much better then the stock honda rectifier which is much more expensive. |
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CT90 Parts on Ebay
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