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John, The carb has been cleaned up and rebuilt with new carb kit. Yes I removed the L and H screw and put those back one by one to avoid any mistake. The currently both sitting at 1 1/4 Saw still got compression and start and run after it is drained. issue is when you stop and want start...

John, back on this old saw only now due of lack of time. carb cleaned up again and needle valve seems to be okay. What happen: I drain the fuel from putting chainsaw upside down and cranking several time. it then start and keep running even if not very well. When it stops and you want start...

All, I`m planning to build a garden office on the back of my garden. Idea is to pour a slab of 150mm and then build the office on top. The office will only cover half size of the slab and the rest will be slab paved. Do I need to install a DPM membrane before the concrete slab? How would you...

Yeah I will get one from GHS. Are Meter piston good enough?

You mean the decompression valve?

Here you piston photos GhS got comet piston. Oem parts are very expensive What do you think? Piston seems okay unless they worn out

The Cylinder seems to be a Mahle. Not sure if this is an oem or already replaced in the past. Attached photos on how look like. If good I would rather keep a brand product instead of going Chinese.

I had sitting on the shed an old Husqvarna 254xp for long long time. By memory stopped working and we parked there. Before taking apart I checked compression and was 50psi. Decompression valve seems to close fine. Piston not scored through exhaust I the removed the head. I can't see any...

all, Asking on behalf of friend who picked up 2 Mac 335. They seems in very good condition but not starter I gave him help to clean carburettor and set screw back to 1 1/4 turn. They won`t start unless you out fuel on the cylinder they run for few seconds. Playing around with carb setting it...

Thanks John. So their made in different material but works as same way. Just thought they had different function

All, Please do not laugh for my stupid question but I'm a self taught and only repair my own tools. always looking to improve my knowledge I picked up from a friend a very cheap Mac 335 which he given up as not working. I was given it in a box with 2 carburator. Unfortunately both chinese as...

My plumber fitted the Hive multizone system few year ago but we finding it very uneconomical as those zone start at different time, ending up with the full house always cold and only 1 floor per time warmer. I would prefer to have a single thermostat on the stairwell and have both zone work at...

John, I did try to remove the excess fuel inverting the machine and got load out of it. I plugged again no choke but after few crank it get floaded again and no sign of starting. I done this several time before giving up What disappoint me is that it started at first time after carb clean up...

I have had setting on my shed for long time an old Husqvarna L65 Chainsaw with tillston carburator. Committed to get her running for some large tree, I cleaned up the carburator with new carburator kit RK23HS and started after few pulls. It then stopped and won't start anymore. The cylinder get...

John, I spent a bit more time on Sunday. Took it apart once again. Fuel filter clean. tank vent clean. no dust. Compression test over 125psi. carburettor cleaned up with new carburettor kit. all gasket diaphragm replaced. Still not building up any pressure on the fuel tank and no fuel getting...

Got an old ts 350 and trying to make it work on behalf of friend. Main issue is that carburetor is not building any pressure to push fuel into the carburetor. I cleaned up carburetor and installed new kit but nothing has changed. This goes beyond my knowledge at this stage. Any thoughts?

Anyone know the correct set up for this carburetor? Won't start or won't run as should. It's been already cleaned up

They bang on it without heating. Not sure about it

John Bearing still in the crankshaft, been a nightmare to remove the old broken crankcase but the bearing seem to be well a mm oversized the crankcase but it went off from the old one. Do you suggest to remove bearing from crankshaft first and push in the crankcase? If need to scrape. What...

I had a TS410 with flywheel crankcase cracked and deciced to replace it after find the right part on Ebay. Took everything apart but now seem to be impossible to push the new crankcase into the crankshaft bearing. Tried to freeze the bearing and warm up the crankcase but still no way to go in...