millerme Posted August 21, 2011 Report Share Posted August 21, 2011 i have a 2010 beta 290 evo that i have had for about a month and when i ride the bike it sound like the engine is pinkin a bit what grade petrol are you to use. as i use standard unleaded or would i need to use super unleaded as i have read before on the sherco topics that it does make a difference to the pinkin also does any body know what grage of gear box oil i should use Quote Link to comment Share on other sites More sharing options...
westygas270 Posted August 21, 2011 Report Share Posted August 21, 2011 I had the 2010 evo 290 and just got a 11 use super unleaded all the time so dont know if it will be any different but useto have a montesa and was alot better on Super unleaded. i use putoline gp10 and change it after every other trial. Quote Link to comment Share on other sites More sharing options...
dgshannon Posted August 21, 2011 Report Share Posted August 21, 2011 i have a 2010 beta 290 evo that i have had for about a month and when i ride the bike it sound like the engine is pinkin a bit what grade petrol are you to use. as i use standard unleaded or would i need to use super unleaded as i have read before on the sherco topics that it does make a difference to the pinkin also does any body know what grage of gear box oil i should use Only use super unleaded, in mine. Recalling back to my Montesa 315 days, where mixing 50:50 super to 108 racing fuel was critical. After that, I have never considered anything less than super unleaded, for all my trials bikes. Just felt happy I didn't have to go through finding race fuel. Gearbox wise, I use Castrol MTX, which is 80W, and it works excellent. Really progressive clutch engagement, no drag, etc. Quote Link to comment Share on other sites More sharing options...
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