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Coolant Leak


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update

 

it was a leaking slave cylinder I bought the rebuild kit and the bike is no longer leaking

 

 

Hello Riders

 

I have only put around 250 miles on my new to me 1998 Royal Star, so I am still learning about this bike and her issues. After my last ride around 120 miles round trip, I parked the bike in the garage and the next morning found a puddle of coolant on the floor it continued to pee for about a day and since has slowed. I looked up coolant leaks on this forum and found that the air fin cover had common leaks behind them. so I pulled those off and they look good the leak seems to be coming from below the clutch cylinder under the engine, I don't even know how I would access that area.

I took some pictures to show the area it is leak from. Also I checked the coolant res and refilled it; it only needed a little added. sorry for the bad pictures.

 

Any advice would be greatly appreciated, Julius.

IMAG0583red.jpgIMAG0584.jpg

IMAG0583.jpg

Edited by spicciani
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Common problem and easy to fix. Those little rubber plugs need replaced. In cooler weather they contract just enough to leak. Till you get the replacement plugs (part numbers & more pics on this forum, do a search on coolant leak) you can put a dime over the plug (use a dab of grease to hold it in place) the dime thickness will compress it enough to stop the leak. You can use the top of a spare plug to thread into the rubber plug to remove it. Mine have always just fallen out. Also, the coolant should be green not brown, I think yours is way over due & needs changed.

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Thanks for the quick reply Art. I am still skeptical that it is the out side plugs, because of where where it seems to be leaking from, but I hope your right. I guess the parts are likely cheap so might as well replace them. PO said he changed the coolant(maybe not flushed) but you are right looks like a lot of rust coming down. - Julius

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  • 4 weeks later...

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