Lews Mach Smash MHS200 & MHS300

Lew’s Mach Smash (MHS200 & MHS300) Technical Repair Guide

The Mach Smash series is known for its high-speed performance and distinct "Boiling Blood" red finish. While these reels are built for aggressive fishing, the MHS200 and MHS300 utilize a high-impact gear system that requires specific lubrication to maintain that signature "smash" speed without grinding down the teeth.

1. The Rotor and Bail System

The Mach Smash uses a high-strength solid brass pinion gear coupled with a lightweight skeletal rotor.

• Bail Spring Tension: If the bail feels weak or doesn't click into place, remove the bail arm cover. The MHS series uses a compression spring with a plastic internal guide. If the guide is dry, it will "crunch." Apply a dab of grease to the spring and the guide rod to ensure silent operation.

• Line Roller (Critical): The line roller on the Mach Smash is a high-wear area. It contains a stainless steel ball bearing. If you experience line twist, the bearing is likely seized. Do not just oil it—remove it, soak it in cleaner, dry it, and then apply a high-speed oil.

2. Gearbox Access: The Hidden Points

The Mach Smash has a streamlined graphite body. To open it without stripping the heads:

1. Rear Bumper Removal: Unscrew the decorative red bumper at the back. This protects the "butt" of the reel and hides one of the main housing screws.

2. Housing Screws: There are three main body screws. Use a #1 Phillips. Note that these screws are self-tapping into graphite; when putting them back in, turn them backward until they "drop" into the existing threads to avoid stripping the plastic.

3. Handle Seal: Check the rubber O-ring on the handle shaft. If it's torn, water will migrate directly into the main drive bearing.

3. Internal Drive Train Maintenance

The MHS200 and MHS300 rely on a 6.2:1 gear ratio, which means the gears move fast.

• Main Gear: The gear is a high-grade zinc alloy. Because of the speed, it generates more heat than a standard retrieve reel. Use a medium-viscosity synthetic grease. Coat every tooth, but avoid "packing" the housing, which causes drag.

• Oscillation System: The S-curve slider is held by a single screw to the main shaft. Pro-Tip: Apply a drop of Blue Loctite to this small screw during reassembly. If this screw backs out during a fight, it will jam the reel and potentially crack the frame.

• Anti-Reverse Clutch: The Mach Smash uses an oversized one-way clutch. This is the heart of the "instant" anti-reverse. Keep this bone-dry in winter and only use one drop of thin oil in summer.

4. Troubleshooting the Mach Smash

5. Reassembly and Tuning

• The Main Shaft: Before sliding the shaft back through the pinion, wipe it with a cloth damp with oil. A dry shaft will cause friction against the inner pinion wall.

• Side Plate Alignment: Ensure the Anti-Reverse Lever is aligned with the internal "actuator arm" before you tighten the body screws. If forced, you will snap the plastic lever.

• Spool Shims: The MHS series is sensitive to line lay. If your line is "coning" (more at the bottom of the spool), remove one of the thin plastic washers on the main shaft. If it's coning at the top, add a washer.

Summary Checklist

• Grease: Main Gear, Pinion Gear, Oscillation Slider.

• Oil: Line Roller, Handle Knobs, Main Shaft, All Ball Bearings.

• Dry/Light Oil: Anti-Reverse Clutch.

The MHS300 has a slightly larger gear diameter than the 200, but the internal layout is identical. If you are working on the 300, be extra generous with grease on the oscillation gear teeth, as they carry more torque.