spudulike

The saw has used a number of carbs over the years but the ones I have done, the metering arm is set level with the surrounding metal around it and not level with the part the diaphragm sits on like the MS200 C1Q

You could have flooded it....plug out, turn upside down and pull it over fast a few times, if fuel runs out, it is flooded. Let it dry, heat the plug, pop it back in, hold the throttle wide open and pull it over hard, no decomp and see if it pops.

The basics are spark, fuel and compression. Spark - earth it on top of the cylinder and pull over the saw hard, it should be a nice fat spark. After trying to start it, the plug should be damp - if it isn't, it will most likely be the carb. Compression - can you feel good compression on the starter handle? It is possible that you didn't set the metering arm on the new carb kit and it now isn't letting in fuel (dry plug) or holding the needle valve open and flooding the engine (wet plug). It is most likely a fuel problem if it ran fine on the last outing and went away running. All petrol engines suck air - it is the way they work!

I can't see why a dry needle bearing should cause a clutch spring to snap. It is usually either the shoes wearing through the spring loop or it just fatigues and breaks.

Yes on pressure and vac testing through the plug hole, I made an adaptor as you are suggesting.

I don't know on the squish, the breathers only let air in but do flow one way only.

On oiling, if the saw is fired up with no bar, you should get a good solid dribble of oil running down the side of the saw in a few seconds. My usual inspection is to check the bar oiler hole....you would be surprised, just done a MS150 and it was blocked!!! Spin the clutch off, check the oiler arm isn't loose on the plastic pinion and grips the pinion well. Check the END of the oiler arm, they often wear off especially when the drum is a bit wobbly. If this is all OK then the oil pump comes off, check the oil pickup filter and pipe isn't blocked - the tank should be fine if you have flushed it. Check the plastic pinion thread is good - VERY unlikely it has failed on this machine model. The pump...if you put the drive shaft in certain positions, carb cleaner/WD40 can generally be forced passed it if sprayed down the outlet hole so try that, look down the holes and you can use a compressor on it. The plug will be on the inlet side of the pump if plugged. You can use a bit of fuel line pushed against the holes and blow through them. If the pump is clear and the spray goes through a bit easy then if the machine is high hours then it may be the pump is bad - the steel pump shaft can wear the alloy it sits in and after a time, it will stop pumping with any force so a new one will be needed. If that doesn't work.....panic

There should be no "up and down" movement in the piston to crank but there is always a slight movement side to side piston to con rod and around 2mm each side of the rod to the crank lobes at the big end.....if I am understanding you correctly. This float is perfectly acceptable whereas vertical movement shows wear in the ends, gudgeon pin or crank bearings. The crank shouldn't move in the cases on this saw. They will on MS200s and similar as the bearings are a needle type allowing for some end-float and not roller bearings which hold the crank in place.

Yup, 48 hrs in a freezer and the chipper chips better, far less blood so less evidence. Just seen the film The Irishman, obviously didn't use a freezer, not as effective!

I think the IRA had the same idea, 48hrs in the freezer then fed in through the chipper to feed the pigs!

Sounds good, let us know how it proceeds, should keep you busy!

I saw it, very nice....now, the guitar....come on......tell the story even if you have no pics....may be an idea for the next few months!

I think I must be the only self employed guy that thinks the self employment support is OK. Seems the logical thing to do basing it on your tax return profits after all that would normally be your living and business investment money, not sure what else he could have done as basing it on each 5.5 million cases would be impossible. Anyway....tell me more Stubby, building a Telecaster, Fender parts or a kit from ANother? Pickups??? come on, Pics and details

Not sure I agree but each man to his own!

Sounds like you are well on your way, glad you know what the issue is now.

I saw a video of a Chinese Live Animal Market today, it came from a customer, not sure where it originally came from but if it was widely viewed, I reckon there would be a big outrage against the Chinese and their animal markets.

It does get rid of mildew and mould. No idea on your application though.

Well, my bench is quiet but the garden is looking pretty tidy. TBH, I have enjoyed having a bit of time to do the jobs that usually take me a time to get around to doing. Not sure about the circumstances that have led to me having a bit more time though.

What are the speakers? Running Castle Severn 2s myself and Mordaunt Short surround system. Linn....Sondeck LP12 is it? Always the Audiophiles favourite, my budget only went to a Rega Planar 2 in my youth!

They are known as Long Case Clocks....I have one as well, always wanted one, nearly 200 years old and keeps damn good time! I often wonder what will still be floating around in 200 years that is manufactured today. Very little I think!

The OP says the saw starts "easy" when hot which goes against piston wear or seize but agree that the first thing I always check is the compression but based on the description, sounds unlikely. You can check the bore by looking down the plug hole but needs a good LED light to illuminate the exhaust side cylinder wall.

I am taking bits and pieces in but am only leaving the house rarely for food or daily for a walk as we are 100 yards from open fields, spares are still coming in if I need them but no idea for how long. Work has dried up in the main, couriers are still running bless them.

Don't worry, Trump is fixing it all by Easter..."That is a very nice time for it to be over".....Oh boy

China and also North Korea like to present this image that they are powerful, successful and their regime is far better than anyone else. What they don't like is negative publicity and infecting the future King of England is far from positive by anyone's standards. The response to China is simple, cut down on globalization and hit them where it hurts. Their economy isn't quite as successful as it seems. They have pushed the boundaries on expansion and have now infected most of the world.....their customers, depleted much of the western worlds wealth with this near fatal virus. I am and this is not racist but strongly believe in fixing a route cause so no future issues arise again. I come from a manufacturing background and know you need acceptance of the route cause by ALL, you can then move on to put systems in place to ensure this doesn't happen again or at least lessen the odds significantly. If we don't do something, we will continue to get these health issues as doing the same thing will result in the same outcome!

This virus has killed thousands and infected millions, it has wiped billions off the stock market impacting on all our pensions, savings etc. It will impact all our lives for years to come both financially and possibly through our health. Current info is that it emanated from a fish market in Wuhan China and is closely linked to a virus found in bats and less so from a Pangolin so the illegal animal markets for Chinese food appear to be the prime cause. My view is that after this has been brought under control and the scientists have strong agreed evidence as to the exact cause, all countries need to get together and send in a task force similar to Nuclear disarmament/chemical weapons investigators to China to police the causes and ensure it doesn't happen again. The Chinese wont do this as has been shown with their reluctance to tell the rest of the world that yet again, another virus is coming our way. The next one may wipe out 50%+ of the population and our Governments should be looking to pushing home the point that what has happened is totally unacceptable and needs action to ensure it never happens again.