Renold SD 12B-1BS Simplex Roller Chain (3/4 inch Pitch)

Renold SD 12B-1BS Simplex Roller Chain (3/4 inch Pitch)

Marsoni

M251S

$56.45

Get it in 3 business days with 1 day shipping. Friday, May 29

Renold SD 12B-1BS Simplex Roller Chain (3/4 inch Pitch)Roller chains are often used to transmit mechanical power in a plethora of applications from agricultural and industrial machinery to motorbikes and cars, Most people will recognise the look of the chain as it is also used on the everyday house hold bicycles. This chain is composed of cylindrical rollers fastened together with side links. This chain is then wrapped around a cog or sprocket just as it is on a bike and it in turn then drives the

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This product was definitely different than the original I have a 2001 Bayliner with a 3.0 MerCruiser and an alpha one second GEN drive The kit worked but the bottom gasket had a weird cut different than the original I added a gasket maker just in case (Yamaha Lube) Brand! All in all kit was fine, One thing to note is the directions that come with the kit at least for my version we’re not for the same alpha one second GEN 4 stroke kit that I got they were for a two-stroke in the pictures didn’t look the same as the parts that I had got which is fine but it’s miss leading when you send a 4 stroke kit but 2 stroke 90hp to 200hp alpha one directions! If it craps out this review will change

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Reviewed in the United States on June 30, 2020

Verified Purchase

Air Assault

Battle Creek, US

★★★★★ 5

Super great product. Has the power and functionality to get you repairing fast!

Super great product. Has the power and functionality to get you repairing fast! Fully recommend this and it has worked great since I've owned it. Still going strong in the durability and design looks like it will keep it going strong for many years. Highly highly recommend buying this. Will work in Kuwait, Iraq, UAE, and Saudi. Good for Camps around the CENTCOM area!

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Reviewed in the United States on October 6, 2025

Verified Purchase

Jed V

Bozeman, US

★★★★★ 5

Solid Product

worked well, easy to install.

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Reviewed in the United States on November 3, 2025