HUSQVARNA 800086805 Top Cylinder Jug End 66.40MM

( Manufacturer Part Number: 800086805 ), ( Type: Cylinder Jug )

Review HUSQVARNA Oem Cylinder Bore Jug Top End 66.40mm fits CR250 WR250 1999–2000

Introducing the Husqvarna CR250/WR250 cylinder jug top end for the 1999 and 2000 models, a high-performance component designed for enthusiasts and professional riders seeking to enhance the power and efficiency of their two-stroke engines. The jug top end, part number 800086805, is a key component of the engine, responsible for housing the piston and connecting it to the crankshaft via the connecting rod.

This top end is engineered with meticulous precision, featuring a bore size of 66.40mm. The cylindrical structure is crafted from high-strength aluminum alloy, ensuring lightweight yet robust construction. The design of the jug top end is optimized for enhanced power output, with a focus on improving overall engine performance.

The piston, an integral part of this component, is made of forged aluminum alloy. The piston's crown is engineered with a precise shape, ensuring efficient combustion and enhancing power delivery. The piston ring grooves are precisely machined to accommodate the piston rings, ensuring a tight seal and reducing power loss due to gas leakage.

The transfer ports, located at the bottom of the jug top end, are designed to optimize the flow of the transfer mixture into the crankcase. This design ensures efficient scavenging of exhaust gases and optimal fuel-air mixture preparation for each combustion cycle.

The Husqvarna CR250/WR250 cylinder jug top end is an essential upgrade for riders looking to extract maximum performance from their engines. Its high-quality construction, optimized design, and meticulous attention to detail make it a reliable and effective component for enhancing the power and efficiency of your two-stroke engine.

In summary, the Husqvarna CR250/WR250 cylinder jug top end, part number 800086805, is a high-performance component engineered for the 1999 and 2000 models of Husqvarna CR250 and WR250 motorcycles. Its precision-engineered design, featuring a 66.40mm bore size and a forged aluminum alloy piston, is optimized for enhanced power output and overall engine performance.

The Husqvarna CR250/WR250 99-00 model with the jug top end 66.40mm (cylinder number: 800086805) is an older two-stroke enduro motorcycle known for its power and agility. Here are some pros and cons that may help you make an informed decision about purchasing this motorcycle:

1. Power: The CR250/WR250 is known for its strong and responsive engine. This motorcycle can provide a thrilling riding experience for those who enjoy power and acceleration.

2. Agility: Its lightweight design and narrow frame make it highly maneuverable, making it an excellent choice for navigating tight and technical trails.

3. Affordability: Older models like the 99-00 CR250/WR250 are often more affordable than newer motorcycles, making them a good option for those on a budget.

4. Availability of parts: Since this motorcycle is an older model, many parts are readily available on the market, making repairs and maintenance easier and more cost-effective.

5. Community support: There is a large community of enthusiasts who have owned and continue to own this motorcycle. This means that you can easily find advice, tips, and resources online or through local clubs and events.

1. Fuel efficiency: Two-stroke engines, like the one in the CR250/WR250, are known for their poor fuel efficiency. This can result in more frequent fuel stops during long rides.

2. Maintenance: Two-stroke engines require more frequent and intensive maintenance than four-stroke engines. This can be time-consuming and costly.

3. Emission laws: Two-stroke engines are no longer allowed in many areas due to emission regulations. Before purchasing, make sure that you can legally ride the motorcycle in your area.

4. Comfort: Older motorcycles like the CR250/WR250 may not offer the same level of comfort and ergonomics as newer models. This can make long rides less enjoyable.

5. Reliability: Older motorcycles, in general, may have more issues with reliability compared to newer models. Regular maintenance and repairs can help mitigate this issue, but it is something to consider.

The Husqvarna CR250/WR250 99-00 model with the jug top end 66.40mm offers a thrilling riding experience with its strong engine and agility. However, it also comes with the drawbacks of being a two-stroke engine, such as poor fuel efficiency, intensive maintenance requirements, and potential reliability issues. If you are looking for a powerful and maneuverable motorcycle and are willing to put in the time and effort for maintenance, this motorcycle could be a great choice for you. On the other hand, if you prioritize fuel efficiency, comfort, or ease of maintenance, you may want to consider other options. Ultimately, the decision comes down to your personal preferences and priorities.

Details:

Great running shape. Nasal in nice shape with some minor wear marks. Removed from a good running bike. All sealing surfaces and threaded holes are intact.

1999 99-00 HUSQVARNA CR250 WR250 OEM CYLINDER BORE JUG TOP END 66.40MM 800086805, This cylinder jug is in very good condition and shows normal signs of wear. Nothing that catches a nail and no deep scoring. 66.40mm bore. Removed From: 1999 Husqvarna WR250, Please review all pictures to assess the condition of item.

part #: 800086805 prices

• $157.96-$552.49

specifications cylindermotorcycleiz:

• for models: Cr250, Wr250
• for makes: Husqvarna
• for years: 1999-2000
• mpn: 800086805
• type: Cylinder Jug

seller cylindermotorcycleiz:

• # reviews: 1274
• rating: 99.9%
• city: Boylston, Massachusetts

returns cylindermotorcycleiz:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

shipping cylindermotorcycleiz:

• class: Standard
• carrier: UPS
• service: UPS Ground
• transit: 4-8 Days
• type: Fixed
• cost: $0.00

offer cylindermotorcycleiz:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: December 4, 2025

general cylindermotorcycleiz:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

payments cylindermotorcycleiz:

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

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