JLO 438.07.006 Cylinder Head Scorpion Ski Whiz 109 LR/340

( Brand: Jlo ), ( Manufacturer Part Number: 438.07.006 ), ( Part Type: Cylinder Head ), ( Country Of Origin: Germany )

Review JLO Cylinder Head 109 Scorpion Ski whiz Lr/340 Used fits 340

Introducing the JLO 438.07.006 340 Cylinder Head, specifically designed for the Scorpion Ski-Whiz LR/340. This high-performance cylinder head is a must-have upgrade for those seeking to maximize the potential of their watercraft engine.

The 340 Cylinder Head is a three-cylinder design, engineered to deliver exceptional power and torque. Each cylinder features a large intake port and a sizeable exhaust port, which allows for optimal air-fuel mixture and efficient exhaust gas expulsion. The oversized ports are matched with large, high-flow intake and exhaust valves, ensuring a smooth and powerful combustion process.

The cylinder head is made from an advanced alloy material, ensuring superior strength and durability. This lightweight yet robust design not only enhances engine performance but also contributes to improved overall efficiency and fuel economy.

The JLO 438.07.006 340 Cylinder Head is also equipped with a high-performance cooling system. The large, finned cooling jacket surrounds the cylinder head, ensuring that the engine stays cool even during the most demanding water activities. This cooling system is essential for maintaining optimal engine temperature and preventing overheating, which can lead to reduced power and potential engine damage.

The cylinder head also includes a precision-machined deck surface, ensuring a perfect seal with the engine block. This attention to detail ensures a leak-free installation and contributes to the overall reliability and longevity of the engine.

In summary, the JLO 438.07.006 340 Cylinder Head is an excellent upgrade for the Scorpion Ski-Whiz LR/340. Its large intake and exhaust ports, high-flow valves, advanced alloy construction, and high-performance cooling system all work together to deliver increased power, torque, and efficiency. This cylinder head is the perfect choice for watercraft enthusiasts who demand the best from their engine.

The JLO 438.07.006 340 cylinder head is a component used in the 109 Scorpion ski-doo models with the 340 engine. Replacing the cylinder head can be a significant investment, and it's essential to weigh the pros and cons before making a decision.

1. Improved Performance: A new cylinder head can help improve the overall performance of the engine. Worn or damaged cylinder heads can lead to loss of power and efficiency.

2. Better Fuel Economy: A new cylinder head can help improve fuel economy by ensuring proper combustion and reducing engine friction.

3. Increased Longevity: A new cylinder head can add years to the life of the engine, reducing the need for costly repairs in the future.

4. Smoother Operation: A new cylinder head can result in smoother engine operation, reducing vibration and noise.

1. Cost: Replacing a cylinder head can be a significant expense, especially for high-performance engines like the 340 in the 109 Scorpion.

2. Labor Costs: The labor costs associated with removing and installing a new cylinder head can add to the overall cost.

3. Downtime: Installing a new cylinder head can take several hours, resulting in downtime for the ski-doo.

4. Risk of Damage: During the removal and installation process, there is a risk of damaging other components, which could result in additional repair costs.

The decision to replace the cylinder head on a 109 Scorpion ski-doo with a 340 engine depends on several factors, including the current condition of the engine, the desired performance level, and the budget. If the engine is performing poorly, and the cost of the repair is within budget, then replacing the cylinder head can be a worthwhile investment. However, if the engine is still running well, and the cost of the repair is high, it may be worth considering other options, such as routine maintenance or upgrading other components. Ultimately, the decision should be based on a careful evaluation of the pros and cons and a consideration of the specific needs and goals of the ski-doo owner.

If the decision is made to replace the cylinder head, it's essential to use a high-quality replacement part from a reputable supplier. Additionally, it's recommended to have the work done by a qualified mechanic to minimize the risk of damage to other components during the installation process. Finally, regular maintenance and timely repairs can help prevent the need for costly cylinder head replacements in the future.

Details:

The head has some oil AMD light grime but could be cleaned up. Please see all photos for condition. JLO 340 Cylinder Head 438.07.006 109 Scorpion Ski-Whiz LR/340. ONLY 1 HEAD INCLUDED.

The head appears to be in good condition with no visible damage or issues.

part #: 43807006 prices

• $10.40-$44.99

specifications enginesnowmobile:

• for models: 340
• brand: Jlo
• mpn: 438.07.006
• part type: Cylinder Head
• country of origin: Germany

shipping enginesnowmobile:

• service: USPS Ground Advantage
• transit: 4-10 Days
• cost: $12.78
• type: Calculated
• carrier: USPS
• class: Standard

returns enginesnowmobile:

• policy: No Returns

general enginesnowmobile:

• Snowmobile Parts > Engines Components > Snowmobile Engine Components
• condition: Used

seller enginesnowmobile:

• # reviews: 718
• rating: 99.8%
• city: New Florence, Pennsylvania

offer enginesnowmobile:

• options: Ship-to-home
• sold: 0
• best offers: True
• availability: In Stock
• started: April 7, 2026
• quantity: 1

payments enginesnowmobile:

• wallet: Paypal
• other
• credit card: Discover

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