---
product_id: 214479006
title: "Lisle 20610 Inline Spark Tester, One Size, Factory"
brand: "lisle"
price: "$98.40"
currency: USD
in_stock: false
reviews_count: 5
category: "Lisle"
url: https://www.desertcart.ec/products/214479006-lisle-20610-inline-spark-tester-one-size-factory
store_origin: EC
region: Ecuador
---

# Instant spark diagnostics Dual-ended design Universal ignition compatibility Lisle 20610 Inline Spark Tester, One Size, Factory

**Brand:** lisle
**Price:** $98.40
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Diagnose like a pro, fix like a boss!

## Quick Answers

- **What is this?** Lisle 20610 Inline Spark Tester, One Size, Factory by lisle
- **How much does it cost?** $98.40 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/214479006-lisle-20610-inline-spark-tester-one-size-factory)

## Best For

- lisle enthusiasts

## Why This Product

- Trusted lisle brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Durable:** Lightweight metal build (122g) designed for on-the-go professionals who demand reliability
- • **Trusted by Thousands:** Highly rated with 4.7 stars from over 5,900 users—join the savvy mechanics who rely on Lisle
- • **Instant Spark Insight:** Diagnose ignition issues in seconds with real-time spark visualization ⚡
- • **Dual-Ended Versatility:** Switch effortlessly between straight and 90° boot connections for any spark plug setup 🔄
- • **Plug & Play Simplicity:** Connects directly between spark plug and wire—no batteries or extra tools needed 🔧

## Overview

The Lisle 20610 Inline Spark Tester is a compact, dual-ended diagnostic tool that quickly identifies ignition system problems by flashing a mirror image of the spark while the engine runs. Compatible with all ignition systems, it requires no batteries and offers both straight and 90° boot connections in one durable metal device favored by thousands of mechanics worldwide.

## Description

Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. The tool is double-ended to offer a straight boot and a 90 boot on one tool. With the engine running, the tool flashes a mirror image of ignition spark.

Review: This product is perfect for the job excellant buy
Review: Muy útil. Pará identificar fallos en cables y bujías. Y saber si hay chispa.

## Features

- Quickly diagnose problems with all ignition systems
- Connect the tool between the spark plug and the plug wire
- The tool is double-ended to offer a straight boot and a 90 boot on one tool

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0002STSC6 |
| Batteries Included | No |
| Batteries Required | No |
| Best Sellers Rank | #331,587 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #2,394 in Ignitions |
| Brand | Lisle |
| Colour | Red |
| Compatible Devices | Air Cleaner |
| Customer Reviews | 4.7 4.7 out of 5 stars (5,906) |
| Date First Available | 7 August 2012 |
| Does it contain liquid? | No |
| Generic Name | Spark Tester |
| Global Trade Identification Number | 00083045206101 |
| Item Dimensions LxWxH | 26.7 x 14.6 x 2.5 Centimeters |
| Item Weight | 122 g |
| Item dimensions L x W x H | 26.7 x 14.6 x 2.5 Centimeters |
| Item model number | 20610 |
| Manufacturer | Lisle |
| Material | Metal |
| Measurement Type | Volts |
| Model | 20610 |
| Model Name | Lisle 20610 Inline Spark Tester |
| Mounting Hardware | Spark Tester |
| Net Quantity | 1.0 Count |
| Number of items | 2 |
| Power Source | Battery Powered |
| Product Dimensions | 26.67 x 14.61 x 2.54 cm; 122.47 g |
| Style | Inline Spark Tester |
| UPC | 083045206101 |

## Product Details

- **Brand:** Lisle
- **Colour:** Red
- **Item Weight:** 122 g
- **Power Source:** Battery Powered
- **Style:** Inline Spark Tester

## Images

![Lisle 20610 Inline Spark Tester, One Size, Factory - Image 1](https://m.media-amazon.com/images/I/312rQ5yjpgL.jpg)
![Lisle 20610 Inline Spark Tester, One Size, Factory - Image 2](https://m.media-amazon.com/images/I/41TzcHiBKqL.jpg)
![Lisle 20610 Inline Spark Tester, One Size, Factory - Image 3](https://m.media-amazon.com/images/I/41kw1gpGRXL.jpg)
![Lisle 20610 Inline Spark Tester, One Size, Factory - Image 4](https://m.media-amazon.com/images/I/6146pi8z2WL.jpg)

## Questions & Answers

**Q: Using this to test the coil on my vehicle. I get intermittent small reddish flash. Not sure how to interpret this? Is any light a positive sign?**
A: Use the tester in a dim lighting area and when you see the reddish-orange flash, that shows a bad spark. A healthy spark will be more intense with a blueish-white spark. I used this tester on my riding mower on June 1, 2015 and replaced the ignition module (same as a vehicle coil). The tester showed the difference before and after!

**Q: Can this be used for my 115 outboard motor?**
A: Yes Ihave used it Mine and Ihave Used it on Lawnmovers

**Q: How many items (testers are in one pack)? The price per packs is confusing.

Kind Regards**
A: One tester. Two adapters.

**Q: How do you use this with a lawnmower that doesn't start? Hooking it up is simple, but then what? Pull the recoil starter rope & look at the light?**
A: Yes, if it starts the light will flash everytime the sparkplug sparks. If it does not start the light will flash everytime the sparkplug gets power and then you know it is not an electrical problem. It can then be either a bad sparkplug or a fuel problem. If it does not flash when you pull the rope then it is an electrical malfunction (ie. magneto, points, or electronic ignition problem). Always test your light to make sure it works on something else that runs.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***Y on 2 June 2016*

This product is perfect for the job excellant buy

### ⭐⭐⭐⭐⭐ Review
*by K***N on 13 March 2023*

Muy útil. Pará identificar fallos en cables y bujías. Y saber si hay chispa.

### ⭐⭐⭐⭐⭐ Review
*by S***R on 5 October 2025*

This device saves so much time trying to determine if a small engine has spark. It is so much easier than pulling the spark plug and trying to prop it up against the case of the engine to see if it has spark. Just hook this up inline to the spark plug, crank the engine, and get immediate feedback that spark is present. This is great.

## Frequently Bought Together

- Lisle 20610 Inline Spark Tester, One Size, Factory
- Innova 3630 Remote Starter Switch
- Ram-Pro Inline Spark Tester, Plug Engine Ignition 6-12 Volt Fool-Proof – Pick Up Coil/Armature Diagnostic Detector Tool for Automotive, Car, Lawnmower, Small & Big Internal/External Engines

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-28*