hs939

I have a 2014 HS821, just bought it second hand. Great bike but it runs pretty hot, especially two up in Bangkok traffic, and especially at the moment which is our hot season. I just saw the HS939 has an oil cooler which the 821 does not. Can anyone advise on whether this oil cooler can be...

Hi, as i recently bought a new 939 with 0 kilometers (actually 5) from a private guy, no dealer, i just want to give you guys my first impressions. yesterday i drove the 939 first 100 km in stock configuration. bike does not run as bad as i supposed, no surging in town at 2500-5000, where my...