1. Personal Watercraft Parts Products
  2. sku: 7348994269570713
  3. SEA DOO 6811556

SEA-DOO 6811556 Engine Block Cylinders Obo 185 215

fits model: H1, Gtx, Rxp, Rxt. make: Sea-doo. year: 2005.

6811556 Sea-doo Gtx Rxp Rxt 155 185 215 Engine Block Case Cases Cylinders 05 H1 Obo

( Manufacturer Part Number: 6811556 ), ( Part Type: Engine Block Cylinder Case )

Review SEA DOO 155 185 215 Engine Block Case Cases Cylinders Obo fits H1 GTX RXP RXT 2005

The Sea-Doo GTX RXP, RXP X 215, RXP X 185, and RXP X 155 are high-performance personal watercraft models from Sea-Doo, a leading brand in the watercraft industry. These models share the same engine block designation, which is 6811556. This engine block is a critical component of these watercraft, powering them with impressive speed and acceleration.

The Sea-Doo 6811556 engine block is a closed-loop, four-stroke, supercharged and intercooled Rotax 1503 engine. This engine is renowned for its powerful output and exceptional efficiency. The engine block is made of durable materials, designed to withstand the rigors of continuous use in a marine environment. It features a compact design, which contributes to the overall agility and maneuverability of the watercraft.

The cylinders in the 6811556 engine block are arranged in a V-twin configuration, with a total displacement of 1494 cc. Each cylinder has a bore size of 85.9 mm and a stroke length of 82.5 mm. The engine uses a single overhead camshaft (SOHC) design, which allows for efficient valve actuation and optimal power output. The engine block also features a wet sump lubrication system, which ensures that the engine is always properly lubricated, even when the watercraft is in operation.

The 05 H1 designation refers to the engine's model year and the specific configuration of the engine. The "H1" indicates that this engine uses a high-performance intake system, which delivers an abundant supply of air to the engine for maximum power output. The "05" indicates that this engine was manufactured in the year 2005.

In summary, the Sea-Doo 6811556 engine block is a high-performance, closed-loop, four-stroke, supercharged and intercooled Rotax 1503 engine with a V-twin cylinder configuration. It features a compact design, durable materials, and efficient valve actuation. The engine block is an essential component of the Sea-Doo GTX RXP, RXP X 215, RXP X 185, and RXP X 155 personal watercraft models and is designed to deliver impressive speed, acceleration, and efficiency.

The Sea-Doo GTX RXP model with the engine block part number 6811556 comes in various lengths and horsepower options, specifically RXT 155, 185, and 215. Let's discuss the potential pros and cons of buying this engine block for your Sea-Doo watercraft.

Pros:

1. High Performance: This engine block is known for its high-performance capabilities. It delivers impressive power and torque, making it a popular choice among watercraft enthusiasts.

2. Durability: Sea-Doo engines are known for their durability, and this engine block is no exception. It is built to withstand the rigors of water sports and heavy use.

3. Reliability: The engine block is backed by Sea-Doo's reputation for producing reliable engines. It comes with a warranty, giving you peace of mind when making your purchase.

4. Compatibility: This engine block is specifically designed for Sea-Doo watercraft, ensuring a perfect fit and seamless integration.

Cons:

1. Cost: The price of this engine block may be a significant investment for some buyers. It is not an inexpensive replacement, but the high performance and durability may make it worth the cost.

2. Complexity: Installing this engine block may require professional help, adding to the overall cost and time investment.

3. Availability: Depending on your location and the availability of local Sea-Doo dealers, you may have to wait for an extended period to receive your engine block.

Conclusion:

The decision to buy the Sea-Doo 6811556 engine block for your GTX RXP watercraft depends on your specific needs, budget, and priorities. If you value high performance, durability, and reliability, this engine block is an excellent choice. However, if cost is a significant concern, or you prefer a less complex engine, you may want to consider alternative options. Ultimately, it's essential to weigh the pros and cons and consult with a trusted Sea-Doo dealer or professional mechanic to make an informed decision.

Recommendation:

If you are in the market for a high-performance, durable, and reliable engine block for your Sea-Doo GTX RXP and have the budget for it, the 6811556 engine block is an excellent investment. It will provide you with the power and torque you need for an enjoyable water sports experience. If cost is a concern, or you prefer a less complex engine, you may want to explore alternative options or consider refurbishing your existing engine. Consult with a trusted Sea-Doo dealer or professional mechanic for personalized advice and recommendations based on your specific needs and circumstances.

Details:

Details: Compatibility: Fits Sea-Doo GTX, RXP, RXT model's with 155, 185, or 215 engines 2005. For more pictures or details, feel free to reach out. Condition: In pretty good condition, with no major cracks or damage to the case. Bearings: No bearings included, ideal for rebuilds.

Specific model: Removed from a 2005 Sea-Doo engine. Sea-Doo GTX RXP RXT 155 185 215 Engine Block Case Cases Cylinders 2005.

part #: 6811556 prices

  • $149.86-$199.86

specifications perwatercraft:

  • for models: H1, Gtx, Rxp, Rxt
  • for makes: Sea-doo
  • for years: 2005
  • mpn: 6811556
  • part type: Engine Block Cylinder Case

offer perwatercraft:

  • options: Ship-to-home
  • started: July 11, 2025
  • sold: 0
  • availability: In Stock
  • quantity: 1
  • best offers: True

general perwatercraft:

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

shipping perwatercraft:

  • type: Fixed
  • cost: $35.00
  • transit: 5-12 Days
  • service: USPS Ground Advantage, FedEx Ground Economy, FedEx Ground or FedEx Home Delivery
  • class: Standard, Economy
  • carrier: USPS, FedEx

seller perwatercraft:

  • # reviews: 0
  • rating: 0.0%
  • city: Fort Walton Beach, Florida

payments perwatercraft:

  • wallet: Google-pay
  • other
  • credit card: Discover

returns perwatercraft:

  • policy: No Returns
for models: h1, gtx, rxp, rxt, for makes: sea-doo, for years: 2005, part type: engine block cylinder case,
category: watercraft parts > parts, sku: 7348994269570713,

Sea-doo 6811556 Is Similar To:

perwatercraft logo
5 offers $149.86–$199.86 USD
  • Offer #1: $199.86 price + $35.00 shipping estimate = $234.86* total. RXT 155 / 185 / 215. OEM Sea-Doo GTX RXP RXT 155 185 215 Engine Block / Crankcase Cylinders 2006.+$35.00 shipping
  • Offer #2: $149.86 price + $35.00 shipping estimate = $184.86* total. OEM engine block / crankcase cylinder assembly removed from a 2003 Sea-Doo GTX / RXP / RXT (155 215 models) OEM Sea-Doo GTX RXP RXT 155 185 215 Engine Block / Crankcase Cylinders 2003.+$35.00 shipping
  • Offer #3: $199.86 price + $35.00 shipping estimate = $234.86* total.+$35.00 shipping
  • Offer #4: $149.86 price + $35.00 shipping estimate = $184.86* total. OEM Sea-Doo 4-TEC engine block / cases. Sea-Doo 4-TEC GTX RXP RXT 155 185 215 Engine Block Cases Cylinders OEM OBO.+$35.00 shipping
  • Offer #5: $149.86 price + $35.00 shipping estimate = $184.86* total. Cylinders show wear and will likely need to be bored and resleeved before reuse. 06 Sea-Doo 4-TEC GTX RXP RXT 155 185 215 Engine Block Cases Cylinders OEM OBO.+$35.00 shipping

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