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GL650 coolant capacity/changeout procedure

5256 Views 4 Replies 4 Participants Last post by  BikerMike
I want to change the coolant in the '83 GL650 I just bought because I have no idea when it was last done - but I'm not sure where the drain is or what the system capacity is, as well as any other procedures I should know about before starting. I'd also like to put in a new thermostat - just because the one in there may be 28 years old.

Any tips/advice would be appreciated!
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Sounds like a good buy!! i have a 650 custom... i'd love to find a nice GL version
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