SKU: 23720609062

56.4mm 1987-1992 Yamaha TZR 125 Cylinder Barrel Piston Kit 3BN-11311-00

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Description

56.4mm 1987-1992 Yamaha TZR 125 Cylinder Barrel Piston Kit 3BN-11311-00Cylinder Piston Rings Kit 56. 4mm (3BN00) Fit for Yamaha TZR 125 TZR125L 1987 1992 Features: If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you to upgrade. Kit includes cylinder, piston, rings, pin, clips.(you get exactly what is pictured). Kit is for standard bore size 56. 4 mm x 50. 0mm stroke, 16mm steel piston pin. This kit is excellent as a low cost

Cylinder Piston Rings Kit 56.4mm (3BN00) Fit for Yamaha TZR 125 TZR125L 1987-1992

Features:
If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you to upgrade.
Kit includes cylinder, piston, rings, pin, clips.(you get exactly what is pictured).
Kit is for standard bore size - 56.4 mm x 50.0mm stroke, 16mm steel piston pin.
This kit is excellent as a low-cost replacement for defects in the original cylinder.

Specifications:
Condition: Aftermarket 100% Brand New
Quantity: 1 Set
Piston Material: Forged Aluminum
Bore: 56.4mm
Stroke: 50.0mm
Displacement: 124 ccm
Piston pin: 16 mm x 47 mm
Piston height: 64.4mm
Number of piston rings: 2
Thickness of the upper piston ring: 1 mm
Thickness of the 2nd piston ring: 1 mm
Type of piston ring: chrome-plated
Outlet: Oval
Cylinder type: 3BN00

Replacement Part Number:
Cylinder: 3BN-11311-00
Piston (Std): 2YK-11631-04-35
Pin, Piston: 137-11633-00
Piston Ring Set (Std): 3XC-11610-00
Circlip: 93450-17129

Fits Models:
Fit for Yamaha TZR 125 1987-1992

3BN00 cylinder have a 56.4mm bore and 50.0mm stroke, fits TZR125 before 1992
3MB00 cylinder have a 56.0mm bore and 50.7mm stroke, fits TZR125 after 1993
Although the bore size and stroke very close, still NOT sure they are interchageable or not,
Carefully compare to your old parts to be sure this is the correct part for your machine.

Package Includes:
1x Cylinder(3BN00)
1x Piston
2x Piston Rings
1x Wristpin
2x Circlips

Note:
The product on offer is an accessory or spare part and thus is not an original product of the vehicle manufacturer.
The name of the vehicle manufacturer is stated only as an indication of the determination of the product being offered as an accessory or spare part, to clarify, for which vehicle the product on offer Fits.

Warranty:
Returns: Customers have the right to apply for a return within 60 days after the receipt of the product
24-Hour Expert Online: Solve your installation and product problems

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23720609062

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4.8 ★★★★★
Based on 23 reviews
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Verified Purchase
Lou F
San Leandro, US
★★★★★ 1
I receives used item
Order arrived was used, scratch marks on top. coffee beans still inside the can I am not sure it’s defective or returned item I sending it back for replacement I paid for new not returned product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
B
Verified Purchase
Bruce
West Palm Beach, US
★★★★★ 5
Exactly what I needed.
Exactly what I need for coffee while I'm camping.
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Reviewed in the United States on May 7, 2026
B
Verified Purchase
Bubba
Houston, US
★★★★★ 5
Glad I got one!
Works well. Easy to use for a manual grinder. Got this one for our camping kit as the wife and I are both aging into coffee snobs. Comes apart and it's easy to clean if you need to. Just pay attention to how it comes apart and you should be able to get it all to fit back together easily enough. I don't think it's possible to put things in backwards but given some of the guys I work with I'm learning never to underestimate people's ability to force something that doesn't belong there into place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 2, 2024
E
Verified Purchase
Ernie Truman
Charlottesville, US
★★★★★ 5
A really good grinder.
Color: M01 Black
Probably one of the better purchases I have made in quite some time. My electric one is good and takes no effort to use, but if there is a power outage you can't use it. This one is sleek and compact. You can take it with you just about anywhere. I have been using it for only a few weeks and the durability seems really good. Also, it grinds more precisely than my electric one because of the variety of settings. The handle comes off after the grind and can be a little cumbersome to store, but that's a small issue. It's little bit of work, so if you're used to convenience maybe have that in mind, but really if we can't spend a few extra minutes to grind some beans then that's just a good problem to have in life. Maybe if you have a hand or wrist injury you can stick with the electric, but the work really is minimal and it's cool little thing to add to the morning/afternoon ritual. Highly recommend.
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Reviewed in the United States on January 18, 2026
T
Verified Purchase
Trent Knabb
San Leandro, US
★★★★★ 5
Perfect for what I needed.
Color: M01 Black
Love it! If you love fresh ground coffee it’s a must have! We use a Stainless steel k-Cup in our name brand coffee maker. This grinds the exact amount for a K-Cup refill. I think if you were grinding coffee for a full pot it would definitely not be worth the time and effort however for a single cup or a drip coffee maker it works really well! The grind size adjustment is on the main shaft of the grinder so I find it is easy to accidentally change the size of your grinds. Definitely have to be careful not to hold to high up while grinding coffee. It’s easy to use and hold. Looks nice and has held up well. The little coffee catch is glass so it doesn’t stain and is easy to clean. The kids love grinding my coffee for me. They find it fun as well. We took it camping and it was great for coffee around the fire too! Just don’t forget to put the little glass container on before you bring….. it makes a mess.
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Reviewed in the United States on November 21, 2025

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