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    Review: Echo 7310SX Review

    Modern 70cc saw from Echo with old style carburettor tuning

    PROs:
    • Great build quality – everything feels solid, no rattles. Starts easily, typically 3rd pull, and takes a few seconds to warm-up, indicating a very high quality piston and cylinder construction.
    • Low vibrations, good ergonomics (long and narrow), excellent felling sights on top and both sides.
    • Good throttle response, sufficient power for 24” bar tested and bags of torque, doesn't bog easily due to a wide power band.
    • No autotune (that can mask problems and cause premature engine failure). Unlikely to have hot start issues, although we’ve only been testing through the winter months. Simple on/off switch and separate choke lever.
    • High quality solid bar with replaceable nose, although heavier likely to last a long time. Comes with double dogs, metal starter cord housing and clutch cover. Uncluttered design around the clutch which clears sawdust well. Captive bar nuts.
    • Cyclone style air filter works very well, clearing large dust particles before it reaches the filter. Large pleated paper filter likely to work better than nylon type.
    CONs:
    • Personally think its a little lacking in power due to a restricted exhaust, likely a results of emissions and noise regulations. Cuts similar to old-school Stihl ms440 and Husky 372xp era saws, but unlikely to be able to compete with latest generation computer saws from either competitor.
    • Perhaps a little heavy for dedicated forestry work, acceptable power-to-weight ratio for tree surgery considering solid bar and double dogs are standard.
    • Fuel caps have a flip-out lever design, but still get very tight to unscrew.

    Over the past 2 years I have bought an Echo CS362tes top handle saw, CS2511tes and a CS621SX ground saw, to replace there Husky equivalents and been really impressed with there design and performance. Dick Leigh Chainsaws in Barrow has kindly lent us an Echo CS-7310SX to demo for when the time comes to replace a 70cc saw. We have held on to the saw for about 3 months, enough time to put several tanks of fuel through it, bed in the piston and ring, and wear out 1 chain.

     

    I think this is a good saw that could have a long lifespan. If you are going to visit Dick Leighs for a 70cc saw this is well worth considering and should definitely be on your short list. If the choice is between maximum performance or longevity the Echo is likely to win on build and reliability, and with a little tuning it could be a game changer for Echo.

     

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    • Thanks 1


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    User Feedback


    Quality saw. Ports very well with big gains. Under tuned from factory.

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    Yeah, that's what I wanted to say I the review, but didn't know if it was allowed! Simple exhaust mod might be enough, that air filter looks like it flows enough air.

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    Thanks for the review. Will tell John tomorrow. See you when your next in.

     

    Andrew 

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    yep my local Echo dealer messaged me to say he had a 7310sx in and i shud take it on an extended test drive. 

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    I have just purchased this saw and today was my first usage of it. I already own a 420es and have had it 3 years with no problems. I really am happy with this saw so powerful, balanced and easy to use . I have a 20" bar on mine and it has really impressed me. 

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    Have Echo improved the vibration damping/ AV mounts?

    I stopped using the 450 because the vibrations to my hands were terrible.

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    On 27/04/2021 at 13:29, slack ma girdle said:

    Have Echo improved the vibration damping/ AV mounts?

    I stopped using the 450 because the vibrations to my hands were terrible.

    CS-7310SX has the lowest vibrations in it’s class.

    7310:  4.2/3.8
    572XP: 5.2/4.1

    MS462: 4.8/3.6

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    On 27/04/2021 at 12:29, slack ma girdle said:

    Have Echo improved the vibration damping/ AV mounts?

    I stopped using the 450 because the vibrations to my hands were terrible.

    we found the vibes on the echo 501, a lot more noticable than on the husky 550

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