stihl using to much fuel

[rookery]

hi all, a couple of weeks back we purchased another two new ms200ts and a ms361. added to our stock was another ms200t which has never been used or started but what is in fact a 2006 model. All going fine but the 361 would tick over for quite a while but then would stop for no apparent reason. Now to the issue!!. the 200ts are using so much fuel that im sure there must be something wrong with them, they run fine no smoke or any problems. we have quite a few 200s and the older ones (1999-2005) USE NOTHING LIKE THE AMOUNT THESE ONES ARE. Now number two, I filled a combi the other day with BPs very high octane petrol and filled the 361 with it, Guess what , now it ticks over all day long no problem. So now i filled one 200 with normal unleaded and one with the high octane. You should hear the difference in accelaration and on high revs and tickover, quite remarkable sorry to go on but it may just be of help to some one else. Comments please on the amount of fuel being used!!!.

[Johny Walker]

turn them off brtween cutting ops ,dont leave them ticking over

[Omniata]

I only ever use the high octane in mine...

 

Albeit they don't have catalytic converters either so I put the Briggs & Stratton fuel additive in too if it's going to be left for any length of time...