skippy Posted May 10, 2016 Report Share Posted May 10, 2016 Tman 427 10W/30 Thumper is a synthetic blend, designed for 4 strokes with separate crankcase and gearbox, they put in better addatives as these will not affect the clutch. love the bike puts a smile on ya face Quote Link to comment Share on other sites More sharing options...
desmo_kid Posted May 10, 2016 Report Share Posted May 10, 2016 Motoworld in El Cajon CA. ask for Jared or Scott. Thank you! Quote Link to comment Share on other sites More sharing options...
epmd Posted June 7, 2017 Report Share Posted June 7, 2017 On 5/5/2016 at 5:50 PM, skippy said: I have been using bel ray 75w gear saver in the trans and bel ray 10W/30 thumper in the engine, both seem good, I have a 2016 4RT260 For what it's worth, here is my experience with a 2016 4RT260. I did the first engine and gear oil change at 8 hours. Couldn't find Elf anywhere so I bought Belray 75W Gear Saver. It turned the clutch into a light switch. What used to be super smooth and with a nice easy transition between engaged and disengaged became very abrupt and hard to control. Then, thanks to the forum, I asked my local Honda dealer if they could order Honda part no. 08C35-HTX-740. He had no idea what it was but he tried and a week later he got it, it's in the bike and the clutch is back to the way it was. The downside? It's insanely expensive. Almost $60 per liter. I bought 2 bottles. Oh well. I plan to change at 30 hours intervals. Quote Link to comment Share on other sites More sharing options...
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