I have a Stihl 034AV Super (electronic quickstop). Bought it new in 1988, and still have the manual.... Here are the specs: 61.5cc displacement 48mm bore, 34mm stroke 13000RPM max engine speed w/bar & chain Electronic magneto ignition Ignition timing: 1.9-2.5mm before TDC@8000RPM Spark (supressed): 0.5mm electrode gap- Spark plug thread M 14 X 1.25; 9.5mm long. Bosch WSR 6F or NGK BPMR 7A Heat Value 200 Carb: All position diaphragm carburetor with integral fuel pump Wire mesh air filter (coarse filter on exterior) and two part, fine wire mesh box-type main filter 0.625 liter fuel tank capacity. The owner's manual recommends 50:1 fuel mix when using Stihl-brand oil and 25:1 if you use a different brand. I use a different brand, but I never run it richer than 40:1. A good rule of thumb here is, if your engine smokes more than a tiny bit when warm, you're running it too rich. Fully automatic oil pump lube, 0.36 liter oil tank capacity 12.0lb weight without bar and chain I use a 20" bar and it has power to burn. Even though this saw is over 20 years old, it still runs circles around most new saws out there. It starts a bit harder than it did when it was new, but that's the only knock on it.
56.5cc, 3.0kw, 4.1hp, 13000 RPM.
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year introduced: 1993 displacement: 61.5ccm (3.75ci) 48mm bore 34mm stroke electronic igintion Adjustable bar oiler Anti- vibration suspension
The difference is in the motor size.The 034AV is 56.5cc (cubic centimeters) and the 034 Super is 61.5 cc (cubic centimeters). The 034 Super has a slightly larger motor, and therefore it presumably also has greater speed and power.
I have an 034AV Super and it came stock with a 20" bar. An 034 isn't quite as powerful (56.5cc vs 61.5cc), but a 20" bar should still work great on it.
The 034 takes either a .325" or 3/8" pitch chain. My guess would be 3/8 .050 go to chainsdirect on eBay chose the chain for youre bar size.
1990
The Stihl 034 AV is a reliable saw that has done satisfactory work on trees up to 20 or 25 metres tall with a considerable diameter. Never had any problems with it.
~3.48 Cubic Inches (57cc)
It stands for Anti-Vibration. I have two Stihl saws made in the 80's (an 015AV and an 034AVSuper). The 034 replaced a really old 041 without the AV, so I can attest that it really makes using the saws a lot more comfortable if you plan on using it for more than an hour or so at once. But then again, all the new Stihl saws have the AV now :o)
Stihl has only grudgingly ever published HP figures, for a long time they were only in the kW ratings indicative of Europe. The machine has approximately 4 HP.
I have an 034AV Super. The owner's manual (21 years old) recommends 50:1 if you use Stihl-brand oil, 25:1 if you use a different brand. There have been lots of advances in oil over the last 20 years, I use a different brand of oil and I never run it richer than 40:1. A good rule of thumb: your engine (they didn't make 034's after 1993) should only smoke a tiiiiiny bit when warm. If it smokes more, than you're running it too rich.