Ambassadeur 5500ST 81-08-00

Ambassadeur 5500ST (81-08-00) Detailed Repair and Maintenance Guide

The Ambassadeur 5500ST (81-08-00) is a classic "Striper" edition round reel, distinguished by its high-visibility aesthetics and rugged mechanical simplicity. The 81-08-00 production code identifies this as a foundational model from the early 1980s, featuring the legendary Swedish design that many modern reels still attempt to emulate. To maintain the smooth casting and winching power of this vintage workhorse, a deep service utilizing premium synthetic lubricants is essential.

Step 1: Breakdown and Component Analysis

Begin the disassembly by removing the handle nut, handle, and star drag, followed by the three side plate screws.

• Main Drive System: Extract the brass main gear and the drag stack. In this 80s-era model, it is vital to inspect the drag washers for compression or drying. If the washers are brittle, they should be cleaned or replaced.

• Synchronized Levelwind: The 5500ST features a levelwind that moves during the cast. Remove the pawl from the line guide and inspect it for "tracking wear." If the teeth of the pawl are rounded, the line lay will become uneven.

• The Spool and Centrifugal Brakes: Pull the spool and inspect the two-block braking system. Ensure the brake weights move freely on their pins; any oxidation here will cause inconsistent casting performance.

Step 2: Cleaning the Vintage Internals

Old grease in an 81-08-00 model often turns into a thick, waxy substance over decades. Use a high-quality solvent to strip every metal and plastic part. Pay special attention to the idler gears—the small white cogs that bridge the spool to the levelwind. These gears must be perfectly clean; even a microscopic grain of sand in the idler teeth can cause a "rumble" that vibrates through the handle during the retrieve.

Step 3: Precise Lubrication with Deuthlon

To restore this classic to its original Swedish smoothness, we recommend the use of Deuthlon Reel Oil and Deuthlon Reel Grease. These products provide the film strength necessary to protect vintage metal alloys while offering the low friction required for modern casting distances.

Oiling the Levelwind and Idler Gears

In a synchronized reel, the oscillation system is the primary source of casting drag.

• Levelwind Worm Gear: Apply Deuthlon Reel Oil to the worm gear. This oil stays fluid in all temperatures, ensuring the line guide tracks across the spool with minimal resistance, which is critical for the 5500ST's casting efficiency.

• Idler Gears: Lubricate these plastic cogs with Deuthlon Reel Oil. Since grease can be too "tacky" for these lightweight parts, oil allows the synchronization to engage instantly and spin with less effort, directly improving your lures' flight time.

Greasing the Main and Pinion Gears

The power components of the 81-08-00 require a robust barrier to prevent metal-on-metal friction.

• Main and Pinion Gears: Use a brush to apply an even coating of Deuthlon Reel Grease to the gear teeth. This grease is engineered to stay on the teeth even under high rotational speeds, providing a silent, cushioned feel when winching in heavy lures or fighting fish.

• Drive Shaft and Yoke: Lightly grease the drive shaft and the pinion yoke to ensure the reel shifts from "free spool" to "drive" with a positive, mechanical click.

Maintenance Specifications for the 5500ST

Step 4: Reassembly and Testing

Reinstall the spool into the frame, ensuring the pinion gear is correctly seated in the yoke. When reattaching the side plate, do not over-tighten the thumb screws; a snug fit is sufficient to keep the frame aligned. Once assembled, cycle the handle to distribute the Deuthlon Reel Grease across the gear faces. By utilizing Deuthlon Reel Oil on the levelwind and idler systems and Deuthlon Reel Grease on the primary gears, you have successfully modernized the performance of this Ambassadeur 5500ST (81-08-00).