GL1200 engine swap 87 motor onto an 86 frame


Information and questions on GL1200 Goldwings (1984-1987)
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roadwanderer2
Posts: 4111
Joined: Thu Aug 08, 2013 4:03 am
Location: sweetwater, Tennessee
Motorcycle: 83 GL1100A aspencade, previously owned, 1981 honda GL500i silverwing interstate, 1974 yamaha xs400, 1974 Honda cb450 twin cam, 1983 honda vt30, 1982 honda 700 shadow, 1972 cb750four, and my first bike, a brand new 1982 honda CM400e. and a new to me 1986 GL1200 aspencade SEi
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GL1200 engine swap 87 motor onto an 86 frame

Postby roadwanderer2 » Fri Sep 16, 2016 12:06 pm



can someone tell me if a motor from an 87 GL1200 will bolt up onto the frame of an 86 GL1200 and if most of the electrics are the same.

thanks,

stuart.



Rusty Bike
Posts: 270
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Location: New castle, PA
Motorcycle: 86 GL1200 SEi, 78 Yamaha XS750SE, 86 Honda XL125, 4.5 HP belt drive Minibike my dad built, foot clutch!

Re: GL1200 engine swap 87 motor onto an 86 frame

Postby Rusty Bike » Fri Sep 16, 2016 5:25 pm

Your 86 is an SEi, correct? The 87's are carberated to my knowledge. If this is all true, they are totally different animals and will not be compatible.

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roadwanderer2
Posts: 4111
Joined: Thu Aug 08, 2013 4:03 am
Location: sweetwater, Tennessee
Motorcycle: 83 GL1100A aspencade, previously owned, 1981 honda GL500i silverwing interstate, 1974 yamaha xs400, 1974 Honda cb450 twin cam, 1983 honda vt30, 1982 honda 700 shadow, 1972 cb750four, and my first bike, a brand new 1982 honda CM400e. and a new to me 1986 GL1200 aspencade SEi
Contact:

Re: GL1200 engine swap 87 motor onto an 86 frame

Postby roadwanderer2 » Fri Sep 16, 2016 5:31 pm

Rusty Bike wrote:Your 86 is an SEi, correct? The 87's are carberated to my knowledge. If this is all true, they are totally different animals and will not be compatible.


yes, mine is an SEi CFI. can i use my fuel injector plenum and fuel injectors on the 87 motor if the plenum will bolt up to it? or should i look for another 86 SEi motor and simply bolt it on.

stuart.


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