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YAMAHA 800 GP XL Top End Platinum Piston Rebuild Kit .50 Over SIZE 010-828-12P

Marsoni M251S
Sale price$120.20
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YAMAHA 800 GP XL Top End Platinum Piston Rebuild Kit .50 Over SIZE 010-828-12PWSM YAMAHA 800 GPR Top End Rebuild Kit for powervalve engine. Includes 2 Platinum Piston kits, (moly coated which reduce heat and friction during start up phase) top end gasket kit , 2 upper end needle bearings. Fits all years. . 50 OVER SIZE ONLY 80. 40MM Piston OEM: 66E 11631 01 AO, 66V 11631 00 AO Make Model CC HP Year Yamaha GP 800 1998 Yamaha GP 800 1999 Yamaha GP 800 2000 Yamaha GP 800 2001 Yamaha GP 800 2002 Yamaha GP R 800 2003 Yamaha GP R 800
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4.4 ★★★★★
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C
Verified Purchase
Charles Clerici
Belleville, US
★★★★★ 5
Great
All pieces cut to perfection, went together perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2023
J
Verified Purchase
judith stevens
Natrona Heights, US
★★★★★ 1
Some of the components are plastic
This is not a heavy duty application what so ever . One of the flanges broke . We do not recommend this product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 5, 2024
K
Verified Purchase
Kimberly matthews
Draper, US
★★★★★ 2
Quality control lacking
One tee conector was missing. Nothing avaliable locally that fits.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 13, 2025
A
Verified Purchase
Alexandra
Alexandria, US
★★★★★ 1
It doesn’t stay in
The pipe keeps coming out. Not worth the money. Not sturdy to hold a top table.
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Reviewed in the United States on February 20, 2024
E
Verified Purchase
Eric
Lexington, US
★★★★★ 2
Good finish, poor hardware.
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

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