running in new saw?

[jamesd]

Just got a new ms200t and was wandering whether you are suppose to run it in a bit before using it properly?

[geoff]

Just dont roar the hell out of it on a big takedown for the first few tanks IMO,others will say thrash it from the off,but it does no harm to give it a nice easy couple of tanks building it up to full chat a you go.

[spudulike]

There are two thoughts on this, one is to abuse the saw and rev the knackers off it and the other to take it easy for the first few tankfulls.

 

I am old school, I see the roughness of a honed bore, the rings needing to bed it, the machining marks on the piston smoothing down and would take it easy for the first few tanks - rev up to full tilt but don't do any full bore cuts for minutes at a time for the first few hours use until some of the roughness of those engine components are a little run in. This will ensure you dont get too much heat in the engine until it is ready for it.

[jamesd]

ok cheers, i have got to re-pollard some limes tommorow so will only be cutting about 3inch diameter max so will that be ok to start it off?

Also i have always used a 25:1 mix but in the booklet it says it runs on 50:1 if you are using stihls own twostroke oil. What do you guys usually mix it at?

[geoff]

Use the stihl stuff at 50/1 everytime,& (as spud says) you will be fine,nice way to bed the saw in that lime job.

[spudulike]

Yup - nice easy job, 50:1 fuel to oil with Stihl two stroke oil, 25:1 is for old time saws using old time oil!

[ecodao]

I didn't want to clutter the board with unnecessary threads, so will I ask here, is there an chain oil adjuster on the 200T ?

 

thanks.

 

steve

[j warwick]

I come in the same OLD SCHOOL never rev an engine from cold let her warm up for a minute our two. We are now advised you no longer need to run the newer technolgy engines in but just taking a little care wont do any harm. You no longer see cars trundling around at 20mph with a piece of cardboard stuck on the back saying (RUNNING IN)

[GardenKit]

Modern maching techniques and the high quality oils do minimise the need for 'running in' but I stress, minimise.

 

They will still be 'tight' for a while and require sensitive use for the first few tanks of fuel if you want to maximise total engine life.

 

The tightness is particularly noticeable on the smaller engined machines such as 22cc brushcutters which will not achieve maximum revs on PDI, but will build up to max after a tank of fuel.

 

Thrash them by all means if you wish, but you will shorten potential engine life.

Best not to over rev, or labour the engine for the first hour .

 

I also agree with others that there is no need to increase the oil ratios, the good quality oils are able to work down to 80:1 if need be, but dont try this, keep it at 50:1 and there is plenty of safety factor.

[spudulike]

I didn't want to clutter the board with unnecessary threads, so will I ask here, is there an chain oil adjuster on the 200T ?

 

thanks.

 

steve

Yes there is, it is a small hole on the top of the saw and is next to the clutch cover about 2 inches behind the front handle mount.