Reply To: Blackout engine temp Great British Handcrafted Motorcycles › Forums › Spitfire – Blackout › Blackout engine temp › Reply To: Blackout engine temp 14 September 2022 at 17:46 #12960 GazzMember Been out and checked coolant it’s about a inch from the top of rad cap need to top it up see it fault goes but of course the question is where’s it gone.I will get some coolant the weekend.