PISTON KIT MERCURY SEA-DOO 105 - 210 / 2500 '90-'05 STD STAR - 100-20SK

PISTON KIT MERCURY SEA-DOO 105 - 210 / 2500 '90-'05 STD STAR - 100-20SK

Marsoni

M251S

$118.30

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

PISTON KIT MERCURY SEA-DOO 105 - 210 / 2500 '90-'05 STD STAR - 100-20SKITEM#: 100 20SK PISTON KIT MERCURY MARINER SEA DOO 105 210 2500 90 05 STARBOARD STANDARD OEM#: 785 9738A7, 785 9738T9top guided 3. 5" (2MM THICK PISTON RINGS) 2mm rings BRAND: WSM USED WITH ROD #644 FITMENTS: Make Model Year(s) Mariner ALL Mercury 6 Cyl 3. 501 Bore 2. 5L 200 1991 2005 Mercury 6 Cyl 3. 501 Bore 2. 5L EFI 150 1992 2001 Mercury 6 Cyl 3. 501 Bore 2. 5L EFI 175 1990 2001 Mercury 6 Cyl 3. 501 Bore 2. 5L EFI 200 1990 2001 Mercury 6 Cyl 3.

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Phoenix, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025

Verified Purchase

Michelle bullard