07 Coolant leak... - Yamaha R1 Forum: YZF-R1 Forums
07-08 R1 Mechanical Help Mechanical and Critical Issues for the 07-08 R1

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post #1 of 2 (permalink) Old 05-28-2019, 03:54 PM Thread Starter
My R1 eats me.
Join Date: Jul 2016
Posts: 3
07 Coolant leak...

I was stopped at a light when I noticed a blue-ish liquid pooling under my bike. I got it back home and figured its a coolant leak. I pulled the tank off and check the thermostat housing & hoses and im pretty sure I found my problem. There was visible resin from the coolant on the seal of the thermostat housing as well as around the hose clamps.

I have 2 questions I could use help with:

1. There is resin around the hose clamps as well as thermostat housing--is there a smart way to see if an individual piece is failing vs replacing all of the hoses/clamps/housing at once?

2. I had my ECU flashed by SuperBikes Unlimited and have the temp fans come on a little sooner than factory settings. I ride in Florida so my thought was to keep the bike cooler when I get stuck in traffic. Does this have any negative effects for my thermostat or cooling system?

Forgive me, I am sort of a newbie when it comes to motors. I try to read forums and reviews to educate myself on the issue but I figured I would ask for some guidance here.

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post #2 of 2 (permalink) Old 06-03-2019, 07:01 PM
My R1 eats me.
Join Date: Jun 2019
Posts: 4
I would just keep the tank up and start the bike and see if you can spot the leak. Clean it up before you do it so you can see easier. I'm curious what temp did your bike idle at before the flash, and what does it idle at now? Also I don't think the flash has anything to do with the leak.
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