Tiny radiator leak. Cheap fixes?

95NinjaLuke · March 14th, 2024, 10:54 PM

Hey everyone. My ninja is leaking a tiny bit of coolant from the radiator. The coolant level isn't going down, it's barely anything. But I'd like to find a cheap fix. Any suggestions?

The leak is near one of the bottom bolts that hold the radiator grill/guard in place.

Triple Jim · March 15th, 2024, 05:28 AM

Your best option may be to get a used one off eBay from a seller with good feedback and return policy. I see some there that are cheap.

Guaire · March 30th, 2024, 07:40 AM

I live within driving distance to a radiator repair shop. They can clean it up thoroughly. Then they can pressure test it. Then they can solder up any leaks.
I'm in the DC area. I go to Active Radiator in Beltsville, MD. Find a place near you and get it fixed.

Also, they can completely clean up gas tanks as well!

Mr.Broccoli · July 1st, 2024, 09:47 AM

After my dad poked a hole in my BRAND NEW $1200 radiator for my daily \ drift car. I used JB weld. Yes it works.. take off the radiator. Make sure it's completely dry. Mask off the hole and really smoosh the JB weld in. It's just a pinhole it will be fine. I have also done this to fix very old truck water pumps that are no longer available.

March 14th, 2024, 10:54 PM	#1
95NinjaLuke ninjette.org newbie Name: Luke Location: San Francisco Bay Area Join Date: May 2023 Motorcycle(s): 1995 Kawasaki Ninja 250 Posts: 4	Tiny radiator leak. Cheap fixes? Hey everyone. My ninja is leaking a tiny bit of coolant from the radiator. The coolant level isn't going down, it's barely anything. But I'd like to find a cheap fix. Any suggestions? The leak is near one of the bottom bolts that hold the radiator grill/guard in place.

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March 15th, 2024, 05:28 AM	#2
Triple Jim Guy Who Enjoys Riding Name: Jim Location: North Carolina Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot. MOTM - Oct '18, Aug '17, Aug '16	Your best option may be to get a used one off eBay from a seller with good feedback and return policy. I see some there that are cheap.

March 30th, 2024, 07:40 AM	#3
Guaire ninjette.org member Name: Bill Location: Arlington, VA Join Date: Apr 2011 Motorcycle(s): 2005 EX250, 2014 Royal Enfield Continental GT Posts: 90	I live within driving distance to a radiator repair shop. They can clean it up thoroughly. Then they can pressure test it. Then they can solder up any leaks. I'm in the DC area. I go to Active Radiator in Beltsville, MD. Find a place near you and get it fixed. Also, they can completely clean up gas tanks as well!

July 1st, 2024, 09:47 AM	#4
Mr.Broccoli ninjette.org newbie Name: Jacob Location: Australia Join Date: Jun 2024 Motorcycle(s): 2006 Kawasaki gpx 250 Posts: 3	After my dad poked a hole in my BRAND NEW $1200 radiator for my daily \ drift car. I used JB weld. Yes it works.. take off the radiator. Make sure it's completely dry. Mask off the hole and really smoosh the JB weld in. It's just a pinhole it will be fine. I have also done this to fix very old truck water pumps that are no longer available.