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Jeff Policky
Jeff Policky, Motorcycle Mechanic
Category: Motorcycle
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Experience:  Yamaha Gold, Suzuki Gold, Honda Bronze, Polaris Bronze, BRP
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1987 honda: what is the problem, do motorcycles have an alternator

Resolved Question:

I have a 1987 honda vt700c shadow and my battery is not keeping a charge. I bought a new battery and it to drains after few hours. what is the problem, do motorcycles have an alternator?
Submitted: 4 years ago.
Category: Motorcycle
Expert:  Jeff Policky replied 4 years ago.

Sounds like the charging system is not working or the battery has a draw on it or the battery is weak. You will need a voltmeter to test the battery and charging system. Make sure the battery is fully charged and the post are tight

 

check the battery voltage with the

key off

key on

motor running then raise the rpms up to 2000

 

let me know the results

 

Customer: replied 4 years ago.
It must be the charging system. because the battery is new and fully charged. Tell me where is the charging unit located. and what is it called so that i can buy it.
Expert:  Jeff Policky replied 4 years ago.

it is the stator #9 under the left side case cover

I have seen brand new batteries that were bad

you also have a regulator/rectifier and flywheels that were bad cause the unit to charge

the stator is a $400 part.

 

with a volt/ohm meter test can be done to confirm a failed part instead of just replacing parts.

 

 

 

Jeff Policky, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 2452
Experience: Yamaha Gold, Suzuki Gold, Honda Bronze, Polaris Bronze, BRP
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Jeff Policky
Jeff Policky
Motorcycle Technician
2425 Satisfied Customers
Yamaha Gold, Suzuki Gold, Honda Bronze, Polaris Bronze, BRP