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More CowBell 12-03-2012 11:43 AM

315R Montesa overheating
My buddy has a 98 Montesa 315R. It boils over after not too long of riding. Has anyone seen this before? Do you think it could just be a radiator cap ? It's not like I can just run down to the corner and get one . Im open to sugestions. Once we fix this issue I think he is going to sell it.

mung 12-03-2012 11:49 AM

Is the coolant topped up? Does the fan come on? Are the rad fins clear? Good gas? Plug tight? Reasonable jetting? Air leak around carb? Crank seals? Just a few ideas.

Todd Miller 12-05-2012 11:07 AM

Montesa 315
I had a 02 model and had the same problem. I ordered a new rad. cap and put blue ice antifreeze in it and all was good again. Never an overheating issue again. I can tell you however that you are not going to find t he cap at your local auto parts dealer will have to order it from a local honda dealer or Overland Trails in PA the guy there is Dennis. He is the man when it comes to Montesa's. Hope this helps

jonnyc21 12-05-2012 02:32 PM

As I understand it in CA might be able to get you what you need, they do Montesa parts, not sure about a 315R, but might be worth giving them a call.

Good luck!

Brewtus 12-06-2012 10:45 AM

Dennis at Overland Cycle is your guy. Trust me. :thumb

NMTrailboss 12-06-2012 12:02 PM


Originally Posted by brewtus (Post 20191062)
Dennis at Overland Cycle is your guy. Trust me. :thumb


Dennis be the man on Montesas!

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