Gv650 coolant drain bolt size. Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Gv650 coolant drain bolt size. This topic has 3 replies, 2 voices, and was last updated 3 years ago by Ed. Viewing 3 reply threads Author Posts Aug 9, 2021 at 9:09 PM #6091 EdMember Topics: 1Replies: 9 Hi,can anyone please tell me the size of the coolant drain bolt on the gv650.I ordered a koso temp gauge and the supplied temp sensor was too big.Thanks in advance. Aug 10, 2021 at 12:25 AM #6093 ♠️ MARCELAdmin Topics: 45Replies: 2,256🌍 Country: UK⚡ Bike Model: GT Contact ProBolt UK, for a BOLT SIZE & PITCH TOOL. This will help you also. // Meditation doesn't mean you have to sit still.... Aug 10, 2021 at 10:20 AM #6097 EdMember Topics: 1Replies: 9 ♠️ MARCEL wrote: Contact ProBolt UK, for a BOLT SIZE & PITCH TOOL. This will help you also. Quote Hi marcel,thanks for the reply. Aug 19, 2021 at 3:42 PM #6118 EdMember Topics: 1Replies: 9 Ok,i worked out its a m8 bolt size with a thread pitch of 1.5. Author Posts Viewing 3 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In // SHARE THIS //Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pocket (Opens in new window)MoreClick to share on Telegram (Opens in new window)