« Reply #15 on: November 25, 2015, 03:11:47 AM »
On my GV 250 the expansion bottle is directly connected to the radiator.
Good tip as I had several overflows as air bubbled up.
B&L - do most scooters have these issues? I never had these kind of problems with motorcycles that I worked on.
The bottle is directly connected? You mean with a hose right? The hose leading to the overflow only spits coolant when the system is pressurized past the pressure rating of the radiator cap. This is not a mural problem, but it's kinda hard to burp all the air out.
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2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.
2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.