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M14-1.5 Flywheel Nut for Honda GX200/Clone Engines
138190042 Tillotson Clone Flywheel Nut
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M14-1.5 Flywheel Nut for Honda GX200/Clone Engines

Part Number: 138190042
Online Price: $1.99
Flywheel Nut (M14-1.5) for Honda GX200 & Clone Engines
Availability: In Stock.

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Description

M14-1.5 Flywheel Nut for Honda GX200, Predator 212 & Clone Engines


Secure your flywheel with confidence using this M14-1.5 flywheel nut, engineered to fasten the flywheel, starter cup, and plastic fan directly to the crankshaft on most small block engines, including Honda GX200, Predator 212, Tillotson 212, and more.


This high-strength nut is a must-have for both stock and performance engine builds. Whether you're replacing a damaged fastener or upgrading components, this nut ensures safe and secure flywheel retention under high-RPM operation.


Flywheel Nut Specifications:

  • Thread Size: M14 x 1.5
  • Torque Spec: 55 ft/lbs (74.5 Nm)


Flywheel Removal Methods

For Most Cast Iron or Stock Aluminum Flywheels (Impact Method)

Do not hammer or heat the flywheel directly—this can cause damage.

Steps:

  1. Remove the flywheel nut with 13/16” Socket
  2. Apply penetrating oil (e.g., Maxima MPPL) to clean and lubricate the flywheel and crankshaft.
  3. Install EC’s Flywheel Knocker.
  4. Strike the knocker with a heavy hammer to break the flywheel free.
    • The hammering and lubricant work together to loosen corrosion and tension between the crankshaft taper and flywheel.

For Most Billet Flywheels (Puller Method)

  1. Remove the flywheel nut with 13/16” Socket
  2. Apply penetrating oil to the shaft and flywheel taper.
  3. Install EC’s Billet Flywheel Puller and tighten both bolts evenly.
  4. Alternate between bolts, tightening slowly until the flywheel breaks free.


Reinstallation Tips for Any Flywheel:

  1. Remove the timing key to allow lapping.
  2. Clean both the crankshaft and flywheel taper thoroughly.
  3. Lap the flywheel using fine lapping compound to ensure proper seat.
  4. Wipe away all compound residue and oil — surfaces must be dry and clean.
  5. Reinstall the timing key.
  6. Install the flywheel and torque the nut to 55 ft/lbs with 13/16” Socket


Engine Compatibility:

  • Honda GX200 / Clone (196cc)
  • Box Stock Project 196
  • Tillotson 196 / 212 / 225
  • Ducar 196 / 212 / 224
  • Predator 212 (Hemi & Non-Hemi)
  • Predator 224 Non-Hemi
  • Wildcat 223 / 240
  • Ghost 212cc

FAQ

1. What is the thread size of this flywheel nut?

The thread size is M14 x 1.5, which fits most small-block engines in the GX200/Clone family.


2. What’s the recommended torque spec?

Torque this nut to 55 ft/lbs (74.5 Nm) for proper flywheel security.


3. Can this nut be used with billet flywheels?

Yes. This nut works with both stock and billet flywheels. Just be sure to lap the flywheel and follow the correct installation procedure.


4. How do I remove a stuck flywheel?

Use penetrating oil and either a Flywheel Knocker (for cast/stock flywheels) or a Flywheel Puller (for billet flywheels). Never hammer or heat the flywheel directly.


5. Is this nut compatible with Predator 224 Non-Hemi?

Yes. It fits Predator 224 Non-Hemi models, as well as most clone-based engines using an M14 crankshaft thread.

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