1. Personal Watercraft Parts Products
  2. sku: 10208845259807603
  3. COMPONENTSPLUS 54-540-12-Z8

COMPONENTSPLUS 54-540-12-Z8 Top End Rebuild Kit 83.5MM

fits make: Yamaha.

54-540-12-z8 Componentsplus 83.5mm Bore .5mm Over Top End Rebuild Kit Fits Yamaha 54-540-12

( Brand: Componentsplus ), ( Manufacturer Part Number: 54-540-12-Z8 ), ( Warranty: 1 Year ), ( California Prop 65 Warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov ), ( Country Of Origin: Taiwan ), ( Product Notice: As A Parts Distributor We Mostly Sell Aftermarket Parts ), ( Source: Aftermarket )

Review COMPONENTSPLUS 83.5mm Bore .5mm Over Top End Rebuild Kit Fits Yamaha 54-540-12

The COMPONENTS PLUS 54-540-12-Z8 83.5mm 5mm Top End Rebuild Kit is a comprehensive solution designed for the Yamaha outboard motor 54-540-12. This rebuild kit is meticulously engineered to provide engine users with high-quality, reliable components for maintaining optimal performance and extending the life of their motor.

The kit includes a complete set of new top end components, such as:

1. Two new cylinder liners: These precision-machined liners are designed to ensure a perfect seal and provide a flat, even surface for the new pistons to sit on.

2. Two new pistons: These high-quality pistons are manufactured to exacting specifications to ensure optimal engine compression and power.

3. Two new connecting rods: These new rods are made from strong, durable materials to provide efficient power transfer between the pistons and crankshaft.

4. Two new crankshaft end seals: These new seals help maintain proper crankcase oil pressure and prevent oil leaks.

5. Two new camshafts: These new camshafts ensure proper valve timing and help maintain optimal engine performance.

6. Two new camshaft oil seals: These new seals help maintain oil pressure in the camshaft housing and prevent oil leaks.

7. Two new rocker arm assemblies: These new assemblies ensure proper valve control and help maintain optimal engine performance.

8. Two new valve guides: These new guides provide proper valve alignment and help prevent excessive valve wear.

9. Two new valve stem seals: These new seals help maintain proper oil pressure in the cylinder head and prevent oil leaks.

10. Two new valve adjusters: These new adjusters help maintain proper valve clearance and ensure optimal engine performance.

The COMPONENTS PLUS 54-540-12-Z8 Top End Rebuild Kit is specifically designed for the Yamaha 54-540-12 outboard motor and is manufactured to meet or exceed OEM specifications. By using this kit to rebuild your engine, you can ensure optimal performance and extend the life of your motor.

Overall, the COMPONENTS PLUS 54-540-12-Z8 83.5mm 5mm Top End Rebuild Kit is an essential tool for any boat owner or mechanic who wants to maintain their Yamaha outboard motor in top condition. With its high-quality components, precise fit and finish, and comprehensive coverage, this kit is the go-to solution for anyone who wants to keep their motor running strong for years to come.

The (Components Plus 54-540-12-Z8 83.5mm 5mm Top End Rebuild Kit for Yamaha) is a product designed to help users rebuild the top end of a Yamaha engine. Here are some pros and cons that might help you make an informed decision about purchasing this kit.

Pros:

1. Comes with all necessary components: The kit includes all the required parts for a top end rebuild, making it a convenient and cost-effective option.

2. High-quality parts: Components Plus is a reputable brand known for producing high-quality aftermarket parts.

3. Easy installation: The kit is designed to be easy to install, which can save users time and effort.

4. Improved engine performance: Rebuilding the top end of an engine can help improve its performance and longevity.

5. Cost-effective: Rebuilding an engine instead of buying a new one can save users a significant amount of money.

Cons:

1. Requires some mechanical knowledge: Rebuilding an engine can be a complex process, and users need to have a good understanding of engine mechanics to ensure a successful installation.

2. Time-consuming: A top end rebuild can take several hours to complete, and users need to be prepared for this time commitment.

3. Risk of damage: Rebuilding an engine involves taking it apart and putting it back together, which can increase the risk of damaging other components if not done carefully.

4. Cost of tools: Users may need to purchase specialized tools to complete the installation, which can add to the overall cost.

Ending Conclusion:

The Components Plus 54-540-12-Z8 83.5mm 5mm Top End Rebuild Kit for Yamaha can be a cost-effective and effective solution for users looking to rebuild the top end of their engine. However, it requires some mechanical knowledge, time commitment, and the potential purchase of specialized tools. Overall, if users are confident in their abilities and willing to invest the time and resources, this kit can help improve engine performance and longevity.

Recommendation:

If you have the mechanical skills and time to commit to the installation process, the Components Plus 54-540-12-Z8 83.5mm 5mm Top End Rebuild Kit for Yamaha is a great option for rebuilding the top end of your engine. However, if you are not confident in your abilities or do not have the time to commit to the installation process, it may be worth considering a professional rebuild or purchasing a new engine.

Details:

YAMAHA model's: BIG BEAR 350cc 1987 - 1999, HUNTING 1999, SE 1997, BRUIN 2005 -2006, GRIZZLY 2007 - 2014, HUNTER 2007 -2013, 2014, IRS 2007 -2011, RAPTOR 2004 -2013, 2005 - 2007, WARRIOR 1987 - 2004, WOLVERINE 1995 -2009, YFM 1987 -1990,1992- 1995. Product Notice: As a parts distributor we mostly sell aftermarket any OEM would be noted as such.: Top End Rebuild Kit Replaces: Source: Aftermarket. ComponentsPlus products, when properly installed, are warranted against defects in materials and workmanship to the original purchaser for a period of one 1 year from date purchase.

Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. All parts sold are new. FITS / Replacement Part Numbers: TOP END REBUILD KIT, SPECIFICATIONS: BORE SIZE: 83.5MM OVER, REPLACES: MANUFACTURER PART NUMBER: 54-540-12. Warranty does not cover failure due to accident, abuse, neglect or as the result of normal wear and tear.

83.5mm Bore .5mm Over Top End Rebuild Kit Fits Yamaha 54-540-12: THIS ITEM FITS VARIOUS APPLICATIONS BY PART NUMBER.

part #: 5454012z8 price

  • $141.44

specifications perwatercraft:

  • for makes: Yamaha
  • brand: Componentsplus
  • mpn: 54-540-12-z8
  • warranty: 1 Year
  • california prop 65 warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
  • country of origin: Taiwan
  • product notice: As A Parts Distributor We Mostly Sell Aftermarket Parts
  • source: Aftermarket

shipping perwatercraft:

  • service: Economy, Standard, Expedited, Overnight
  • type: Fixed
  • transit: 3-8 Days
  • class: Economy, Standard, Expedited, One-day
  • cost: $0.00

general perwatercraft:

  • condition: New
  • Parts Accessories > Personal Watercraft Parts > Other Parts

offer perwatercraft:

  • availability: In Stock
  • sold: 0
  • started: January 13, 2026
  • options: Ship-to-home

payments perwatercraft:

  • credit card: Diners-club
  • other
  • wallet: Paypal

seller perwatercraft:

  • city: Morrisville, North Carolina
  • # reviews: 51905
  • rating: 98.5%

returns perwatercraft:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
for makes: yamaha, warranty: 1 year, california prop 65 warning: this product may expose you to chemicals which are known to the state of california to cause cancer and birth defects or other reproductive harm. for more information go to www.p65warnings.ca.gov, country of origin: taiwan, product notice: as a parts distributor we mostly sell aftermarket parts, source: aftermarket,
category: watercraft parts > parts, sku: 10208845259807603,

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  • Offer #1: $141.44 price + $0.00 shipping estimate = $141.44* total. Product Type: Top End Rebuild Kit Replaces: Source: Aftermarket.FREE SHIPPING

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