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WSM Yamaha 400 Big Bear / Kodiak Piston Kit 50-541-07K .040 OVER SIZE ONLY

Marsoni M251S
Sale price$78.35
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WSM Yamaha 400 Big Bear / Kodiak Piston Kit 50-541-07K .040 OVER SIZE ONLYYamaha 400 Big Bear Kodiak Piston Kit . 040 OVER Size Only 84mm Brand : WSM Item #: 50 541 07K OEM #: 4GB 11631 00 Y0 PIN: 19mm diameter Make Model CC HP Year Yamaha Big Bear 400 2000 Yamaha Big Bear 400 2001 Yamaha Big Bear 400 2002 Yamaha Big Bear 400 2003 Yamaha Big Bear 400 2004 Yamaha Big Bear 400 2005 Yamaha Big Bear 400 2006 Yamaha Big Bear 400 2007 Yamaha Big Bear 400 2008 Yamaha Big Bear 400 2009 Yamaha Big Bear 400 2010 Yamaha Big Bear 400
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
Based on 2322 reviews
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Neal
Massapequa, US
★★★★★ 5
Great value
Color: Sterling Silver
Nice machine. Makes great espresso and steam wand works well and heats up fast. Just wish the porta filter was made better with wire clip to hold basket in instead of groove and dimple setup. Used grinds cant be simply tapped out as a single puck. you need to dig them out with a spoon. Not the end of the world but I was spoiled with a Breville Ive used in the past. Still would definitely recommend great unit at this price point. Makes delicious coffee
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Reviewed in the United States on April 12, 2026
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Verified Purchase
Kelly
Lexington, US
★★★★★ 4
Time btwn brews
Color: Sterling Silver
Love the sleek look and just the right size for counter top. Makes a great cup and foaming wand is great. Be sure to let first stream of water out before frothing. Definitely need a napkin or towel handy. Only one drawback I can see so far. After making an espresso it takes a bit of time to cool down before it allows you to brew next one. There’s two of us so we need to stagger our espresso making. Espresso could also be a bit hotter. All in all it’s a nice machine and does the job.
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Reviewed in the United States on December 5, 2025
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Verified Purchase
Christopher Godshall
Fort Morgan, US
★★★★★ 5
A Great Price for Great Machine
Color: Sterling Silver
I have been brewing my own espresso at home for over 20 years which means I have gone through a significant number of machines. I never purchased anything "high end" - never spent more than $140. THIS machine, for $137.79, is a GEM. I can make TWO double espressos, back-to-back without turning off the machine, and there's STILL plenty of power in the pump, and the temp remains stable - no temperature loss AND no overheating. How do we do this? We pack the LARGE basket with expresso, then hit the DOUBLE-cup once, and then a second time. AND THEN there's still plenty of power in the pump and heat to steam the milk! This means that the two of us can drink our coffees together at the same time. ALL the other machines that I used over the last 20 years, were never able to do this, because the pump would be played out after one brew, or the heater would drop in temperature OR overheat. That means one person drinks coffee while the other has to wait for round two. But GEVI changed all that. Great price for a great espresso machine!
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Reviewed in the United States on March 4, 2026
R
Verified Purchase
Rempowersports
Dallas, US
★★★★★ 5
Great machine. Great value
Color: Sterling Silver
Love it! Works great. Highly recommend. I have used it daily, for 4 people for months now.
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Reviewed in the United States on May 5, 2026
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Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 5
Great compact espresso machine
Color: Sterling Silver
This is a sturdy little espresso machine, not cheap plastic. I appreciated the fact that an insteuction booklet came with it, and that all of the insteuctions were clear and easy to follow, especially the first use steps. For a non-instant machine, it made a double very quickly. That looked, smelled, and tasted exactly as espresso should. All this for a very reasonable price, so I am very happy with my purchase.
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Reviewed in the United States on May 30, 2026

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