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[mikesomega]

I thought the real oil specifications were in the non viscousity parameters like the API values? 20W50 is just how visocus it is at different temperatures and shows nothing on the oils suitablility or quality

Sorry if thats different on motorcycles but thats how it is on car motors

[Andy B]

....
So am I getting concerned over nothing?

Yes. 

[tunnie]

....
So am I getting concerned over nothing?

Yes. 

 

[Kevin Wood]

I thought the real oil specifications were in the non viscousity parameters like the API values? 20W50 is just how visocus it is at different temperatures and shows nothing on the oils suitablility or quality

Sorry if thats different on motorcycles but thats how it is on car motors

Well, this is very true. A fully synth 20w50 is a very different animal to the "classic" mineral shit stuff suggested earlier, and the difference is in the API / ACEA specs it meets.

For an air cooled bike engine this could be important, as it might well operate over a higher range of oil temperatures. Not sure if that applies here as I only do 4 wheels.

[Rods2]

Before you start it I would check to see if the oil has emulsified from moisture, as after laying up my Kawasaki for sometime this caused a blocked top end oilway. If the top of the oil is white (do you have an oil level window on the bike?) then I would recommend that you change it before you run the engine, especially if they have used Castrol where people have commented that they have had much more emulsification with an Omega engine using this.

[tunnie]

Yeah it has a sight glass, will double check what brand of oil was used. Suspect it was Castrol

[biggriffin]

Ffs 50 posts on weather to change oil or not,just warm it up drop it and refill it with gm 10/40 semi.. Job done, just stop faffing and do it

[tunnie]

Ffs 50 posts on weather to change oil or not,just warm it up drop it and refill it with gm 10/40 semi.. Job done, just stop faffing and do it

Easy  - no one forced you to read this thread.   

[chrisgixer]

Ffs 50 posts on weather to change oil or not,just warm it up drop it and refill it with gm 10/40 semi.. Job done, just stop faffing and do it

isn't it steam powered anyway?

[tunnie]

Also bike is 75 miles away, so sorry cannot do it this exact moment 

[Gaffers]

Ffs 50 posts on weather to change oil or not,just warm it up drop it and refill it with gm 10/40 semi.. Job done, just stop faffing and do it

Time of the month dear fellow?

[Rods2]

Ffs 50 posts on weather to change oil or not,just warm it up drop it and refill it with gm 10/40 semi.. Job done, just stop faffing and do it

Students like to ask lots of questions. 

[tunnie]

Ffs 50 posts on weather to change oil or not,just warm it up drop it and refill it with gm 10/40 semi.. Job done, just stop faffing and do it

Students like to ask lots of questions. 

Whole point of forums is asking questions! I was unsure so wanted to get opinions. It differed too, between options 2 & 3.

[aaronjb]

If I'd realised it had only been laid up six months I'd have told you to get on it and ride it, ignoring the oil until it was due a service 

[Kevin Wood]

Come on.. only 59 posts so far... We used to do much better oil threads than this.