Posts: 563
Joined: 5/16/2018
Location: Hutto, TX USA
Edited Date/Time:
Going to sound like a stupid question, but are 450's more prone to overheating than 250's? I picked up a super clean, low hour - but my first 450 this weekend and when i let it run for about 5 minutes in the garage, it started to drip a bit out of the over flow. My 250 i can start and let run in the garage for what seems like forever and it never overheats...….
Posts: 522
Joined: 2/17/2017
Location: Ravenna, MI USA
Posts: 3448
Joined: 4/3/2013
Location: Benton, LA USA
Unless you have a fan blowing air over the radiators while running in your garage , it is not a good idea to let them run so long. Air flow is needed.
Paw Paw
Posts: 919
Joined: 11/17/2016
Location: Rancho Cucamonga, CA USA
Depends what bike you have but most Japanese 450's only come with a 1.1 radiator cap stock. A 1.6 cap won't make the engine run any cooler but it will increase the boiling point to help you not lose coolant. I just bought a 1.6 cap on eBay. You shouldn't let a bike run on the stand with no airflow longer than about 3 minutes.
Don't ever let facts get in the way of a great story
Posts: 5561
Joined: 1/31/2018
Location: Mansfield, OH USA
