What spark plug fits the Husqvarna 120 Mark III, and what spark plug gap should I set?
Use RCJ7Y, HQT-1R. Set gap to 0.5 mm.
HUSQVARNA
Husqvarna 120 Mark III
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Husqvarna 120 Mark III
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Replacement Parts
Model-linked parts and fitment references currently available for this model.
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Quick Spec Snapshot
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| Engine displacement | 38 ccManual profile |
Source: Owner's manual
Husqvarna 120 Mark III Detailed Profile
Expanded technical, maintenance, and compatibility details for Husqvarna 120 Mark III.
Fuel, Oil, Spark, and Physical
| Field | Value |
|---|---|
| Fuel tank (L) | 0.28 |
| Fuel type | Unleaded gasoline |
| Max ethanol (%) | 10 |
| Oil capacity (L) | 0.15 |
| Spark plug type | Champion RCJ7Y, BRISK HQT-1R |
| Spark plug brand | Champion, BRISK |
| Spark plug part number | RCJ7Y, HQT-1R |
| Plug gap (mm) | 0.5 |
| Weight (kg) | 5 |
Feature Flags
| Feature | Enabled |
|---|---|
| Bar Gauge In | 0.05 |
| Bar Length In | 14, 16 |
| Bar Max Nose Radius | 7T |
| Bar Pitch | 3/8 |
| Chain Depth Gauge Mm | 0.65 |
| Chain Drive Links | 52, 56 |
| Chain File Size Mm | 4 |
| Chain Models | H37, S93G |
| Chain Speed Mps | 17 |
| Engine Power Hp | 1.9 |
| Fuel Mix Ratio | 50:1 |
Identity and Compliance
| Field | Value |
|---|---|
| Brand | Husqvarna |
| Model | 120 Mark III |
Engine Specs
| Field | Value |
|---|---|
| Displacement (cc) | 38 |
| Engine speed min (rpm) | 2800 |
| Engine speed max (rpm) | 9000 |
| Engine speed notes | Idle RPM range: 2800-3200. |
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FAQ
How do I confirm I'm buying the right replacement part for the Husqvarna 120 Mark III?
Verified fitment data is still being expanded for Husqvarna 120 Mark III; use your owner manual as the final source.
Where can I verify the official manual specs for the Husqvarna 120 Mark III?
Use the extracted owner-manual JSON profile on this page, then confirm against your exact owner manual for Husqvarna 120 Mark III before purchase or service.
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