Fully synthetic in my 600 monster?

[garth]

Just filled my monster up with fully synth, some people that race them say it's ok, some say not. Bit late now as I've already done it, but..

Will this be ok? I've ridden it up the road and it doesn't seem to slip, but it's not at full temp. It's a 583 so wet clutch.

Elp!
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[steo]

fully synth oil is used in high revving sports machines which generate extreme engine temperatures & if you were racing the duke then that's what you would want in your engine. you shouldn't notice any difference in your engine & hav'nt heard of any problems with clutch slip. your better off just sticking to the manufacturer's spec & use the oil they recommend.

[Wafer_Thin_Ham]

Personally I'd just use whatever the manufacturer recommends and change it regularly.

May as well just see if it slips now though, seems like a waste of perfectly good oil otherwise. Chances are it'll be ok. Ran fully synth in my hornet and that was ok.(It was all they had at the shop).
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[garth]

Hmm, yeah.

Problem is I won't be using it until race day. I suppose if I just take semi synth with me, and if it slips, dump it out and change it after qually?

Hassle I don;t really want...
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[Wafer_Thin_Ham]

Get it up to temp somehow then, even if it is just wazzing it up and down the street for half an hour. At least then you'll know.
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[Kickstart]

Hi

Shouldn't really make much difference. Fully synthetic oils main advantage is that they need less additives to maintain a half decent viscosity range, and as it is these additives that wear out the fully synthetic oils last longer.

All the best

Keith
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[sickpup]

Seem to remember AGIP Synthetic was recommended back when I worked on them.

[djr]

Isn't it only the clutch that's majorly affected by the oil you use? and arent monsters all dry clutch *-) ?

[Wafer_Thin_Ham]

[garth]

The 6 and the 750 are wet clutches. The 9 isn't.

I've bought semi synthetic too now. I'll have another blat later today and see if it slips, if not I'll do my 1st qually session and see how it goes. It's a healthy clutch anyway - I've fitted new plates and springs, and after all the engine is only kicking out ~50bhp.

I have read elsewhere that AGIP F/S is fine in them too. What's in a brand?
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[Jubal]

You should have no problem with bike specific F/S oils as they are formulated to cope with wet clutches. Problems arise when car oil is used as they contain Friction Modifiers and it's those additives apparently which mess the clutch up.

[Kickstart]