Echo Tune-Up Parts: Filters, Plugs, Fuel and Oil

The filter that covers most of the Echo handheld range is A226001410. It is also sold as 13031054130 and A226000472, and cross-references to Oregon 30-119 and Stens 102-565. Same part, five numbers - which is why a listing that does not mention your model may still be exactly right.

Its fitment list is unusually long: SRM-210, SRM-211 and SRM-225 in all their suffix variants, GT-200, GT-201, GT-1100 and GT-2000, PAS-225, PAS-230 and PAS-265, PE-225, PE-230, PE-231 and PE-265, PB-200, PB-2155 and PB-2455, PPF-210 and PPF-225, PPT-230, and HC-150 and HC-152.

A blocked filter is the closest thing to a universal diagnosis on these engines. It presents as a machine that starts, runs rich, will not hold idle and bogs under throttle - identical to a carburettor problem, and a fraction of the price to rule out. Buy them in multi-packs and change them more often than feels necessary.

Echo's own two-stroke oil is Power Blend, sold at 50:1 - part 6450050 for the one-gallon bottle, 6450001 for the gallon mix, with the Gold variant as 6450050G. Confirm the ratio your machine requires in its manual; on most Echo handhelds it is printed on or near the fuel cap.

Two things matter more than the brand of oil:

• Mix fresh. Two-stroke mix does not keep. Ethanol pump fuel separates and goes stale within weeks, and the resulting varnish is what blocks carburettors.
• Do not guess the ratio. Too little oil seizes the engine; too much fouls plugs and coats the exhaust port in carbon. Pre-measured bottles sized to a gallon or a can remove the arithmetic.

Chainsaws additionally need bar and chain oil, which is a separate product and not interchangeable with mix - see chains and bars.

Aftermarket suppliers bundle the wear parts for a given engine family into one kit - typically the air filter, fuel lines, the tank filter and a primer bulb, sometimes a plug. For the 225 family these kits cost less than a carburettor and address, in one go, the four faults that actually cause most non-starts.

The parts in them share a trait: they perish rather than wear. Rubber and plastic in a fuel system go hard, crack and split with age even on a machine that has barely run. A trimmer stored for five seasons and used twice needs these parts as much as one used every week.

Before the first cut of the season: fresh mix in the tank, new air filter, check the fuel lines and bulb for cracks, look at the plug. Twenty minutes and a handful of dollars.

Before storage: either drain the fuel system or run the machine dry. Fuel left standing over winter is the origin of the majority of spring non-starts, and it is entirely avoidable.

If it already will not start, go through the diagnosis order before buying a carburettor.