Spark Arrestor - (USFS Approved) - Universal Fit
Spark Arrestor - (USFS Approved) - Universal Fit
SKU: SKU:2-B2-0030
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Fisch Moto Spark Arrestor USFS Approved
- Universal muffler fitment (as long as tail pipe is round)
- Perfect for Dirt Bikes, ATVs, Enduro and other round tailpipes - see our sizing below.
- Will fit any circular exhaust with a tail pipe inside diameter from 19-56mm/0.748”-2.200”(5mm/0.196” increments, 8 sizes available)
- Good value for the dollar compared to other solutions on market
- Less than 10 min. installation time
- Made from stainless steel
- Very durable and easy to remove for cleaning
- High Quality component manufactured in BC, Canada
- All necessary hardware included for the install (Set screws, Allen key and Loctite)
- Fits Honda, Kawasaki, Husky, GasGas, BETA, KTM, Suzuki, Yamaha, Tenaci Wong, Sherco & More ( Find your size here )
- USFS approved (USDA)
- Fits 4-strokes and 2-strokes (KTM TPI not compatible)
- Maintenance every 6 months or at 100hrs for 4-Stroke
- Maintenance every 15hrs – 20hrs for 2-Stroke (failure to do so will result in reduced air flow)
- Wash Plug optional
What Size Should I Get?:
Measure the outlet/inside diameter of your exhaust/tailpipe. That measurement determines which size you need. If your exhaust has a ridge, we recommend grinding it down so that our spark arrestor can fit in properly.
Note: Please see downloads for FISCH MOTO Spark Arrestor Fitment Guide
Spark Arrestor Sizing Calculator →
How to Measure and Install:
We offer the following sizes:
- Kit 19 (19.0mm-20.0mm / 0.748”- 0.800”)
- Kit 20 (20.0mm-25.4mm / 0.800”-1.000”)
- Kit 25 (25.5mm-29.4mm / 1.004”-1.157”)
- Kit 30 (29.5mm-35.4mm / 1.161”-1.394”)
- Kit 35 (35.5mm-40.4mm / 1.398”-1.591”)
- Kit 40 (40.5mm-45.7mm / 1.596”-1.800”)
- Kit 45 (45.8mm-50.4mm / 1.803”-1.984”)
- Kit 50 (50.5mm-56mm / 1.985”-2.200”)
More Resources:
Ultimate Guide to Choosing the Right Spark Arrestor →
Review:
At this time we do not recommend these spark arrestor for new KTM TPI bikes as their fueling system is inconsistent. Check out our large diameter mesh spark arrestors here.
Product Overview:

Installed the 50mm kit in a Leo Vince LV one EVO slip-on
On my 2025 Tenere fit perfect. Quality product. Arrived I a timely manner and came with everything needed to install even loktite.
I'm a registered professional mechanical engineer, and I would tell the engineers who worked for me that there is elegance in simplicity (some engineers tend to develop overly complex solutions).
Purchased the Fisch Moto USFS spark arrestor for my 2023 AJP PR7 and I was impressed with the build quality, ease of installation, and the overall simplicity of the design. It arrived in Arizona only 3 days after completing the order - wow! Comes with everything you need for installation; this is an excellent product!
I was apprehensive about the $120 price but it's quality build and inclusion of set screws (incl extras), t-handle allen wrench, and loctite makes it quite complete. Could've included a few extra stickers though. :)
Purchased this due to a local endureo requiring a spark arrestor. Product is as described. Good packaging. Timely delivery. VERY easy to install with all the necessaries being inside packaging. We'll see how it holds up during the enduro.