On my Kysho Concept 60 SR II Graphite stands YS 61 ST II. He works perfectly and without problems on this fuel. I tried fuel from him - 30 % nitro and 22 % Klots. At me is OS 52FS Surpass. It too not stop on average revolutions. The Russian factories which are letting out metanol and nitro technological enough.
And I not poor to buy fuel on a dump.
I think fuel here not It is guilty.
What else there can be reasons?