Originally Posted by willk
Big mistake IMO - I'd stick with petrol for the OBMs. It's more expensive but much lighter - almost 30% lighter. You forgot to factor in the sump oil on the 4 stroke too. BTW, It's Poly's evening off and I'm minding the slide rule...
yea fair one willk another litre of oil, all adds up but looks like the two smoke is available but either way hes looking at 50 kg lighter than the current rig which will be more manageable on the beach with two people pulling it.