MONTESA 6660.028 Cappra Engine Cylinder Head Nos P/n 66M

( Brand: Montesa ), ( Manufacturer Part Number: 6660.028 ), ( Machine Type: Dual Sport Motorcycle, Off-road Motorcycle ), ( Custom Bundle: No ), ( Items Included: Head Only ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Engine Type: 2-stroke ), ( Type: Cylinder Head ), ( Unit Type: Unit ), ( Manufacturer Warranty: No Warranty ), ( Country/region Of Manufacture: Spain ), ( Finish: Painted And Bare )

Review MONTESA Cappra Va Engine Cylinder Head P/n Nos 66m fits 360 1975–1976

The Montesa 6660.028 Cappra 360 engine cylinder head is a crucial component for the Montesa Cappra motorbikes manufactured between 1975 and 1976. This cylinder head, specifically designed for air-cooled two-stroke engines, is an essential part of the engine that ensures efficient combustion and optimal engine performance.

The Montesa 6660.028 Cappra 360 cylinder head features a unique design with hemispherical combustion chambers. These chambers are engineered to provide better fuel-air mixing, enabling more complete combustion and, consequently, improved engine power and torque. The hemispherical shape of the combustion chambers also reduces the volume of the combustion space, which in turn helps to increase the engine's revving capacity.

This particular cylinder head (P/N: 66M) is engineered using high-quality materials to ensure durability and reliability. The head is made from aluminum alloy, which is lightweight and a good thermal conductor. The cylinder head gasket is made of a high-temperature, compression-resistant material to ensure a tight seal between the cylinder head and the engine block.

The Montesa 6660.028 Cappra 360 cylinder head also features five intake and exhaust valves. These valves are designed for optimal flow and are actuated by a camshaft located in the cylinder head. The camshaft is engineered to provide the correct lift, duration, and timing for the intake and exhaust valves to ensure efficient combustion and optimal engine performance.

The cylinder head also includes a cooling fin design that helps to dissipate heat from the engine. The cooling fins are strategically placed to maximize heat dissipation and are engineered to be thin and closely spaced to provide maximum surface area for heat dissipation.

In summary, the Montesa 6660.028 Cappra 360 engine cylinder head is a critical component for the Montesa Cappra motorbikes manufactured between 1975 and 1976. It is designed with hemispherical combustion chambers for improved combustion efficiency, high-quality materials for durability and reliability, and a cooling fin design to help dissipate heat from the engine. This cylinder head is an essential investment for any Montesa Cappra enthusiast or collector looking to restore their motorbike to its original glory.

The Montesa 6660.028 Cappra 360 engine cylinder head is a part used in the classic Montesa Cappra motorcycles produced between 1975 and 1976. Here are some potential pros and cons of buying this cylinder head:

1. Authenticity: By purchasing an original Montesa cylinder head, you can maintain the authenticity of your classic motorcycle.

2. Functionality: This cylinder head is specifically designed for the Montesa Cappra 360 engine, ensuring optimal performance and compatibility.

3. Availability: Montesa parts can be hard to come by, especially for older models. Buying a used cylinder head from a trusted source may be the best option for ensuring availability.

1. Cost: Original Montesa parts can be expensive, and a used cylinder head may still come with a significant price tag.

2. Condition: Used parts may have wear and tear, which could require additional repairs or maintenance.

3. Sourcing: Finding a reputable seller for a used Montesa cylinder head can be a challenge, and buyers should be cautious of potential scams or subpar parts.

The decision to buy a Montesa 6660.028 Cappra 360 engine cylinder head depends on your budget, the condition of your current cylinder head, and your preference for maintaining the authenticity of your motorcycle. If you prioritize these factors, purchasing a used cylinder head from a trusted source may be a worthwhile investment. However, if cost is a concern or if the condition of the used cylinder head is uncertain, it may be worth considering aftermarket alternatives or rebuilding your current cylinder head. Ultimately, careful research and due diligence are essential when buying any used motorcycle parts.

If you decide to purchase a used Montesa cylinder head, we recommend buying from a reputable seller or dealer with a good track record for selling authentic and high-quality parts. Additionally, be sure to ask for detailed information about the condition of the cylinder head and any potential issues, as well as the return policy and warranty coverage. Lastly, be prepared for potential additional costs for shipping or installation.

Details:

NOS Montesa OEM part. Bid is for one as seen in photos. Location: HH 103 204/170 swam 404 R/S Fits 1975-1976 Montesa Cappra 360 VA model 66M, double checked in our manuals. Part is a 10 out of 10, being new and 1 the worst condition.

Montesa Cappra 360 VA Engine Cylinder Head p/n 6660.028 NOS 66M # 1 1975-1976, Fits 1975-1976 model 66M, double checked in our manuals. All other 66M model's take a different part number.

part #: 6660028 price

• $75.00

specifications cylindermotorcycleiz:

• for models: 360
• for years: 1975-1976
• brand: Montesa
• mpn: 6660.028
• machine type: Dual Sport Motorcycle, Off-road Motorcycle
• custom bundle: No
• items included: Head Only
• material: Aluminum
• vintage part: Yes
• placement on vehicle: Front
• engine type: 2-stroke
• type: Cylinder Head
• unit type: Unit
• manufacturer warranty: No Warranty
• country/region of manufacture: Spain
• finish: Painted And Bare

shipping cylindermotorcycleiz:

• class: Expedited, Standard
• transit: 5-10 Days
• type: Calculated
• cost: $18.57
• service: USPS Priority Mail, USPS Ground Advantage
• carrier: USPS

seller cylindermotorcycleiz:

• # reviews: 26230
• rating: 100.0%
• city: Canby, Oregon

returns cylindermotorcycleiz:

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

general cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

• availability: In Stock
• best offers: True
• sold: 0
• quantity: 2
• started: October 11, 2025
• options: Ship-to-home

payments cylindermotorcycleiz:

• money order
• wallet: Apple-pay
• other
• credit card: Mastercard

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