NIMTEK Carburetor Carb Replaces Walbro WYK-406 WYK-345 Echo PB-770 PB-770H … 4.4 out of 5 stars 193. Needle-Type Adapter for Flush or Hard-to-Reach Grease Fittings. The ratio tells you the quantity of fresh standard unleaded gasoline (10% ethanol or lower) is needed for a specific quantity of oil. ECHO 100 ml Mix Oil for Chainsaws. You don't need a calculator, it's that easy. Use a 50:1 ratio of fuel to oil mix for 2-stroke cycle engines; recommend using only fresh gas with a minimum octane rating of 89 or higher (mid-grade to premium) at all times ; A 50:1 Ratio = 1 US Gal. Get it as soon as Thu, Jan 7. Use of alternative fuels may cause performance problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited to, improper clutch engagement. As I tried to say in my previous post, those of you that use a mixture of 10% - 15% ethanol in your fuel are most prone to problems with your carbs. Replaces Walbro WYK-406 WYK-406-1 WYK-345-1. $43.95 Next page. It's easy to calculate 50:1 fuel to oil ratio in your head. Info is always greatly appreciated... "If it ain't broke...Fix it anyway" Echo -PAS 230-PB255LN-PB770H-CS355T-CS271T-CS400-HC155-PPT266-ES250 Husqvarna K760 II *Red Armor oil … This is a genuine OEM sourced replacement carburetor which is specially designed for use with Echo backpack blowers. Make sure this fits by entering your model number. hydrocarbon emissions. Thanks in advance!! 4.8 out of 5 stars 274. Ultimate, universal 2-stroke oil is a synthetic blend of oil that's certified for use in all air-cooled 2-stroke outdoor power equipment engines. $18.99 Lumax LX-1415 Silver 3-5/8" Needle-Type Adapter Needle-Type Adapter, 5" (127 mm). The fuel and oil used in Echo equipment must meet certain standards. Fuel System diagram and repair parts lookup for Echo PB-770H - Echo Backpack Blower Parts (SN: P44914001001 - P44914999999) COVID-19 UPDATE: Call Center OPEN (from home) and Warehouse SHIPPING to all 50 states (with some USPS/UPS/FedEx delays) Learn more > Order Status Customer Support 512-288-4355 My Account. Fuel Alternative fuels, such as E-15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gasoline engines. Use our 50 to 1 fuel mix calculator to work out how much oil you need to make a 50:1 two stroke ratio. ECHO PB-770H POWER BLOWER ENGINE VIDEO Views. PB-770 Carburetor for Echo PB-770H PB-770T Backpack Blower with Air Fuel Filter Spark plug Tune-up Parts Kit Replace Walbro WYK-406 WYK-406-1 WYK-345-1 Echo A021001870 A021003940 Engine Lawn Mower Brand: Dxent. When presenting your unit for Warranty service/ repairs, proof of purchase is required. 89 Octane + 2.6 fl. Model # 99988800085 Store SKU # 1000428347 . Overview . Echo 6450025 Power Blend Xtended 2-stroke Oil Mix for 2.5 Gallon (50:1) 6 Pack . Page 15: Starting Cold Engine 1. Just do a Google search "2 stroke ethanol problems" and you'll see that ethanol not only robs your engine of power, but has a nasty side effect of gumming up your carb much quicker than stale gas alone. oz. Use a 50:1 ratio of fuel to oil mix for 2-stroke cycle engines; recommend using only fresh gas with a minimum octane rating of 89 or higher (mid-grade to premium) at all times; A 50:1 Ratio = 1 US Gal. FREE Shipping on orders over $25 shipped by Amazon. oz.) ECHO-PB-770H 63.3cc Backpack Blower with Hip Throttle - available at AcmeTools.com. Use a 50:1 ratio of fuel to oil mix for 2-stroke cycle engines, recommend using only fresh gas with a minimum octane rating of 89 or higher (mid-grade to premium) at all times ; 50:1 ratio equal 1 US Gal. 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