Skip to main content
Home / Motorcycle Repair Tools / Thickened and Extended Spark Plug Socket Wrench for Scooter, Underbone, and Street Motorcycle Maintenance, Double-Ended Removal Tool

Attributes

Brand -
Category Motorcycles, Gear & Accessories / Motorcycle Repair Tools
Origin -
Material Chrome Vanadium Steel (Cr-V)
Socket Sizes 16mm and 21mm Double-Ended
Total Length 280mm (Extended Design)
Shaft Diameter 10mm Thickened Shaft
Finish Polished Chrome with Matte Black Handle
Compatibility Scooters, Underbone, and Street Motorcycles
Handle Type Ergonomic Non-Slip Grip
Weight 350 grams
Package Includes 1 x Double-Ended Spark Plug Wrench
Warranty 1 Year Manufacturer Warranty

6 reviews

A

Anonymous

Mar 27, 2026

Rating: 5/5

Excellent build quality

I use this professionally in my shop for street motorcycles. The chrome finish is smooth, and the grip prevents slipping even when wearing oily gloves. Highly recommended for daily use.

A

Anonymous

Mar 27, 2026

Rating: 4/5

Good value for money

Solid construction and does the job well. The handle could be slightly more textured for wet conditions, but overall it's a great purchase for home maintenance.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Perfect for tight engine bays

The extended length on this wrench is a lifesaver for my scooter. I can finally reach the spark plug without removing half the bodywork. The thickened shaft feels very sturdy and doesn't bend under pressure.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Solved my access issues

My vintage scooter has a recessed spark plug well. Standard sockets wouldn't reach, but this extended wrench slides right in. The 16mm side fits perfectly.

A

Anonymous

Mar 05, 2026

Rating: 4/5

Great tool, slightly heavy

Works exactly as described for my underbone motorcycle. The double-ended design saves space in my toolkit. It is a bit heavier than my old plastic-handled one, but the durability is worth it.

A

Anonymous

Mar 03, 2026

Rating: 5/5

Must-have for DIY riders

If you do your own oil changes and tune-ups, get this tool. The extra leverage from the long handle makes removing stuck plugs much easier without stripping them.

5 FAQ

Q: What is the steel grade used for this wrench?

A: It is manufactured from high-grade Chrome Vanadium Steel (Cr-V), which offers excellent resistance to wear and corrosion.

Q: Does the handle detach or fold?

A: No, this is a solid one-piece tool with a fixed handle to ensure maximum torque transfer and durability. It does not fold or detach.

Q: Can I use a breaker bar with this tool?

A: This specific model is a manual hand wrench with an integrated handle and does not have a square drive for attaching a separate breaker bar or ratchet.

Q: Is the 21mm end suitable for larger motorcycle spark plugs?

A: Absolutely. The 21mm socket is standard for many larger displacement street motorcycles, while the 16mm end covers most smaller scooters and underbones.

Q: Will this fit a 125cc scooter with a recessed spark plug?

A: Yes, the extended 280mm length is specifically designed to reach recessed spark plugs commonly found on 125cc scooters and underbone motorcycles.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Steel Wheel Lug Nuts for Car Modification, Compatible with Civic, Mazda6, Reiz, Sylphy, Extended External Hex Nut Caps

Steel Wheel Lug Nuts for Car Modification, Compatible with Civic, Mazda6, Reiz, Sylphy, Extended External Hex Nut Caps

$75.55

Mobile Gantry Crane – Manual Push-Run Small Home Hoist (1/2/3/5 Ton)

Mobile Gantry Crane – Manual Push-Run Small Home Hoist (1/2/3/5 Ton)

$1,244.00

Taiwan Ginger Shredder - Multi-Function Stainless Steel Slicer for Potatoes, Carrots, and Ginger

Taiwan Ginger Shredder - Multi-Function Stainless Steel Slicer for Potatoes, Carrots, and Ginger

$5,200.00

Iers Electric Airbrush/Marker Pen Wireless Handheld Portable for Gundam Model Painting

Iers Electric Airbrush/Marker Pen Wireless Handheld Portable for Gundam Model Painting

$322.00

Commercial Glass Food Warmer Display Case for Egg Tarts, Hamburgers, Fried Chicken, and Youtiao - Countertop Heating Cabinet for Catering

Commercial Glass Food Warmer Display Case for Egg Tarts, Hamburgers, Fried Chicken, and Youtiao - Countertop Heating Cabinet for Catering

$1,795.00

Premium Used Tires Removed from Vehicles Sizes 155 165 175 185 195 205 215 225

Premium Used Tires Removed from Vehicles Sizes 155 165 175 185 195 205 215 225

$54.00

Storage Bag Compatible with Dyson/Laifen Hair Dryer Curling Iron Straightener Double-Layer Portable Travel Hand-Carry Case

Storage Bag Compatible with Dyson/Laifen Hair Dryer Curling Iron Straightener Double-Layer Portable Travel Hand-Carry Case

$48.40

Chushinmi - Silicone Collapsible Dish Drying Rack, Kitchen Organizer, Sink Utensil Holder for Bowls and Chopsticks

Chushinmi - Silicone Collapsible Dish Drying Rack, Kitchen Organizer, Sink Utensil Holder for Bowls and Chopsticks

$61.90

Wenxin Tang Ultra-Clear Zhi Yong Thousand Character Classic Regular Script Calligraphy Cards - Boxed Practice Sheets for Medium-Sized Brush Writing

Wenxin Tang Ultra-Clear Zhi Yong Thousand Character Classic Regular Script Calligraphy Cards - Boxed Practice Sheets for Medium-Sized Brush Writing

$40.80

Cute Pig Pot Lid Holder and Drainage Mat, Multi-Function Heat Insulator and Cutting Board Rest

Cute Pig Pot Lid Holder and Drainage Mat, Multi-Function Heat Insulator and Cutting Board Rest

$2.01

[Damai Micro-Needle Hair Transplant Patent] Top Scalp Thinning Treatment | High-Density 200 Grafts Micro-Needle Transplant

[Damai Micro-Needle Hair Transplant Patent] Top Scalp Thinning Treatment | High-Density 200 Grafts Micro-Needle Transplant

$199.00

Song Dynasty Guo Xi's 'Traveling in Snowy Mountains' Hanging Scroll - Study Copy Template, Art Core, Landscape Painting, Zen Decorative Art, HD Collectible

Song Dynasty Guo Xi's 'Traveling in Snowy Mountains' Hanging Scroll - Study Copy Template, Art Core, Landscape Painting, Zen Decorative Art, HD Collectible

$12.80

Drain Basket for Wet/Dry Separation with Hanging Vegetable Strainer Rack

Drain Basket for Wet/Dry Separation with Hanging Vegetable Strainer Rack

$111,978.00

Custom Mesh Lid Organizer Bag for Pelican 1535 Case - Laptop Compartment

Custom Mesh Lid Organizer Bag for Pelican 1535 Case - Laptop Compartment

$118.70

Home LED High-Power Rechargeable Flashlight, Multi-Purpose Long-Range Portable Ultra-Bright Mini Torch

Home LED High-Power Rechargeable Flashlight, Multi-Purpose Long-Range Portable Ultra-Bright Mini Torch

$20.60

Accsoon CineEye M7 Pro 4K Wireless Video Transmitter and Monitor with 7-inch HDMI/SDI Dual-Transmission Screen

Accsoon CineEye M7 Pro 4K Wireless Video Transmitter and Monitor with 7-inch HDMI/SDI Dual-Transmission Screen

$99.00

Stainless Steel Sink Rack Kitchen Organizer Over-Sink Dish Drying Rack with Utensil Holder

Stainless Steel Sink Rack Kitchen Organizer Over-Sink Dish Drying Rack with Utensil Holder

$48.00

Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening

Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening

$41.70

Thickened Resin Vegetable Planter Box - Rectangular Plastic Balcony Pot for Growing Vegetables and Flowers

Thickened Resin Vegetable Planter Box - Rectangular Plastic Balcony Pot for Growing Vegetables and Flowers

$101.00

SEATOSUMMIT Outdoor Travel Portable Waterproof First Aid Kit Wilderness Survival Personal Medical Folding Storage Bag

SEATOSUMMIT Outdoor Travel Portable Waterproof First Aid Kit Wilderness Survival Personal Medical Folding Storage Bag

$79.00

Commercial Gas Storage Water Heater, Condensing Low-NOx Boiler, Fully Automatic Natural Gas Hot Water Furnace for Hotels

Commercial Gas Storage Water Heater, Condensing Low-NOx Boiler, Fully Automatic Natural Gas Hot Water Furnace for Hotels

$13,175.00

SH1.0/1.25/ZH1.5/PH2.0XH2.54 Electronic Wire Connector Terminal Cable 2P-12P

SH1.0/1.25/ZH1.5/PH2.0XH2.54 Electronic Wire Connector Terminal Cable 2P-12P

$0.04

VFD Capacitor ALS30A1363KJ/ALS30C1024NP/ALS30C1023NP

VFD Capacitor ALS30A1363KJ/ALS30C1024NP/ALS30C1023NP

$500.00

200X18DNNmm L Shape Stainless Stel Corern Brace Repeair Ang

200X18DNNmm L Shape Stainless Stel Corern Brace Repeair Ang

$88.28

Quilling Paper Set Gradient Color Tool Kit Handmade Quilling Strips Basic Packaging for Fine Line Coloring

Quilling Paper Set Gradient Color Tool Kit Handmade Quilling Strips Basic Packaging for Fine Line Coloring

$38.00

Standard Ou Kai Calligraphy Beginner's Sun Tzu's Art of War & Thirty-Six Stratagems Small Regular Script Brush Copybook Xuan Paper Long Scroll for Tracing

Standard Ou Kai Calligraphy Beginner's Sun Tzu's Art of War & Thirty-Six Stratagems Small Regular Script Brush Copybook Xuan Paper Long Scroll for Tracing

$18.00

Mold Release Oil for Incense Beads and Tags - Colorless, Odorless, Food-Grade Auxiliary Release Agent

Mold Release Oil for Incense Beads and Tags - Colorless, Odorless, Food-Grade Auxiliary Release Agent

$8.00

Tafara Aromatherapy Matches - Premium Extended-Length Safety Matches for Incense Burners (20 Count)

Tafara Aromatherapy Matches - Premium Extended-Length Safety Matches for Incense Burners (20 Count)

$23.80

Magnetic Sponge Holder and Steel Wool Rack for Sink, Stainless Steel No-Drill Kitchen Organizer

Magnetic Sponge Holder and Steel Wool Rack for Sink, Stainless Steel No-Drill Kitchen Organizer

$9.94

Touchmark Square Sketchbook for Acrylic Markers - Thick Paper Art Journal for Quick-Dry, Smudge-Free Drawing

Touchmark Square Sketchbook for Acrylic Markers - Thick Paper Art Journal for Quick-Dry, Smudge-Free Drawing

$10.80