spudulike
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Everything posted by spudulike
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Sorry Barrie, must talk more about Villiers two strokes and Aspen, don't mean to shut you out:lol: Glad you are busy - better than the other way:thumbup:
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Had fun with the Husky 350 today, very slight air leak but the pressure check was OK - traced it down to the upper crankcase - strange design on this saw - not a typical clam design but is a horizontally split crankcase. Now sealed and seems to run and idle OK now!
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I regularly do Hertfordshire to Surrey around the M25 - 80 miles - 2.5 hrs:001_rolleyes: Takes 1 1/4 on the way back later in the day!
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That sounds like Stubbys saws - my ears are still ringing:lol:
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Pretty much agree with that, 80% is the figure banded around and that is the area of the internal exhaust port in the cylinder wall. It depends a bit on the size of the saw and where you are going to use it, a MS660 with a free flowing tube and no baffle will be earth shattering and not please many - if you do a lot of residential town work then a real loud saw is a bit out of the question so a compromise is sought. If you port a saw - you really need a decent muffler mod as hindering the extra flow causes a boggy saw that runs rich - as I found out on a 395XP where the owner wanted it a bit too quiet:001_rolleyes: It came to life with a few large holes in the baffle plate! Personally - don't get too hung up on the outlet hole size - it is easy to make a small hole larger but more difficult the other way round!
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Easy Life - steal what you need then just keep it!
spudulike replied to kevinjohnsonmbe's topic in General chat
It's all an easy option, who will kick up most, a big dodgy looking traveller or a nice middle age couple....Oh, lets side with the traveller who probably hasn't put a bean in to the countries coffers ever and not the nice middle age couple. This really sucks - so what if they are living in it, I always thought that if goods were purchased and were found to be stolen then the original owner can lay claim to them - end off??? Think I may try to get in to Buckingham Palace and live there - wonder if that would be OK as well:001_rolleyes: -
TBH, the straight shaft versions of these strimmers are damn fine and far better than the modern stuff coming out of many factorys - just sorted a Komatsu powered Allen 22 - had a blown coil so replaced it with one of an MS200:blushing: Works fine try spinning the strimmer spool and it should be free moving - if it isn't then you are probably right and it will need a flush and grease. It should have plenty of go - The ones that I have had have been fine and will keep the Allen as I like it and will sell my McCulloch one as it isn't a patch on it!
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Looks like it is just part of the combustion chamber - I sold my TD18 powered strimmers a year or two ago - nice bits of kit! They usually have a reasonable turn of power - enough for normal garden strimming! What's the compression like - these engines are generally pretty tough but the coils are not so good as I have had a couple be the culprits of non running machines:thumbdown:
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Yes, it is brazing, I only have a gas torch and an arc welder and get decent results with braze so use that!
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Is that like the whole box Rich or just a bit of it:001_tt2: Sorry bud, gotta laugh, keeps me sane:lol: The MS441 is back together, new rear handle top, new rim drive, new decomp and all looks fine - will run it up and tach it as it is wearing the new muffler mod. The Husky 350 now has a throttle that isn't flapping in the breeze - the pivot pin was missing but isn't now. The carb has been stripped and cleaned and the spark arrestor is clean - just need to pressure/vac check and then tune the carb in correctly and hope all will be fine - the piston looks barely worn as does the rest of the saw!
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Mmm, that was a REALLY loud saw, even gained a complaint and some admiration when I fired it up in the front garden:lol:
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Are you telling be you haven't got one of those in your tool kit - thought everyone had - want to buy one:001_tt2:
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Nice saw Matty, bet that goes well:thumbup: Its a fake - even a one armed blind man who has had a few bevvies would know that:blushing::lol:
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Sounds like it may be a dodgy crank seal, what age is the saw and what sort of use has it had - and I don't mean "I have used it for cutting wood":001_rolleyes: If the idle fluctuated with the saw just sitting on the deck then I would say typical carb problems but the moving thing makes me think crank seal or fuel pipe/impulse line related. Try moving it from side to side so the clutch cover and recoil cover are parallel with the deck and see if that does anything but DONT hold the saw with the top handle. Then try moving the top handle about with it sitting normally on the ground. Let me know if one, the other or both make the saw play up.
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Guess it will save weight
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IMO, those holes will drop your compression off from leakage past the rings! Think those drugs are a bit heavy:lol:
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Have you read Swallows and Amazons - all that messin about on water:lol: Nice job and clear up - that trailer even had a straight axle:blushing::lol:
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Get a vid up once you are back in the land of the living, make sure you do bevel those edges with a diamond file and I smooth them with 400grit paper so I have a nice bevel that will not give trouble in time. If the 1.2mm is too small, when you rev the engine (assuming it runs), you will get a blowback of fuel/air vapour blowing back on to the air filter which may cause issues but hopefully not. Good luck with the project - make sure you open the exhaust right up or the mods you have done will just make the saw run very rich and boggy:thumbdown: I drill a number of large holes in the baffle plate and insert a decent size outlet in to the front of the muffler - it works for me:thumbup:
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Yes, but the point is where is the ring end on this two ring piston - guess you could re-site the location pin and using one ring was an option I had thought of.....gotta go, steak is on the BBQ:thumbup:
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Bingo - think we have hit the same issue - the inlet port on a 372XP is pretty wide as it is - around 1.5mm off each side is all I can manage to get a good seal!
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Your gonna hate me for asking:blushing: the bottom of the exhaust port should be level with the piston crown so neither the piston or port impede the flow.....yours looks a little lowered:confused1:
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Humour me here - that piston...is supplied with the kit?? It has two rings?? and I guess you have windowed the sides? The standard SINGLE piston ring ends come nowhere near the inlet port or upper transfers....have you checked to make sure that the ring ends don't come anywhere near the openings (Inlet or uppers) - at least within 2mm!! If they do then the rings will snag - just one of the things you need to watch out for. The other...sorry to be a pisser on the fireworks....... does the inlet port get covered by the width of the piston skirt, if it doesn't, you will get lots of blowback through the carb when the piston lowers:thumbdown: The last thing - how much did you raise the exhaust port by - I hope it wasn't a .....grind until I am bored affair:blushing: Oh - BEVEL the port edges - sharp port edges are your enemy - use a curved diamond rifler file - ignore the warning at your peril!
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Nice bit of porting on Wyks pic, would stick to the standard piston, the factory squish allows the base gasket to be dropped or you can machine a pop up to increase the compression if you have or know someone with a lathe
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Sounds about right - also sometimes the mounting bracket fractures and stops the switch working.
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Got a MS441 in for various faults, top rear handle cover damaged, throttle lock not working, worn rim drive, bolt missing on top AV mount, thread gone and bolt missing from the exhaust, decomp valve bent etc The owner wants a muffler mod so have done this and got the parts on order. Also got a very clean Husqvarna 350 in, the idle is up and down and starting an issue when hot. Will do the usual and am thinking it is just the L screw being a little lean but will see very soon.
