Electric Dirt Bike Plastics Replacement Guide: Fitment, Color Kits and Install Order
Most people shop for new plastics by color. That's backwards. The hard part is fit. New electric dirt bike plastics that miss your bolt holes end the weekend early. Usually with a cracked fender.
Electric bikes make it a bit harder than gas bikes. The bodywork wraps a battery case, a controller and plenty of wiring. One model can even take different front fenders, depending on its fork. This guide is for anyone fixing up an adult electric off-road motorcycle after a crash or a few summers outside.
What Counts as Electric Dirt Bike Plastics
Pretty much every panel you can unbolt. Fenders, side panels, shrouds and the number plate are the obvious ones. Many electric frames add a battery cover, a controller cover and a plate underneath. They take the roost and boot scuffs so your wiring doesn't.
Valtinsu's store shows the split. In October 2026 we counted six EM-5 parts under Body Panels and Protection. Each one sells on its own.
When a Panel Actually Needs Replacing
Scratches alone aren't a reason. Dirt bike plastic is meant to look used. Fading is cosmetic. Replace it when the damage changes how it mounts. A crack into a bolt hole counts. So does a split tab.
Try bending a corner of the fender by hand. Healthy polypropylene gives a little and springs back. Old sun-baked plastic feels stiff. You'll often see white stress marks around the holes, too. Loose bolts are the other early clue. If one keeps backing out, check the hole before you blame the bolt.
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Warning: cracked tabs get worse Vibration works on a crack every ride. Once the tab breaks, the other mounts carry the whole load. If it reaches a bolt hole, order the part now. |
Fitment Comes Before Color
Start with your own bike: brand, full model name, trim and year. "Surron" alone won't find the right part. On a used bike, look closely. Some owners fit newer plastics, so an older frame can pass for a later model.
Then look at what's bolted near the panel. The front fender bolts to the fork. So the fork matters as much as the bike. One Sur-Ron fender is listed for DNM and KKE fork crowns and doesn't fit RST forks. Charged Cycle Works lists fork by fork which forks its Talaria fender fits. The back is no different. A new seat or subframe changes the space too.
With a Talaria Sting, make sure the listing actually names MX3, MX4 or MX5. On an E Ride Pro, match the version: S, SS 2.0, SS 3.0 or SR. ETM sells a body set for each RTR variant. A Lite kit is not a Sport kit. Be wary of anything labeled universal, too. A fender that fits everything rarely fits one bike well.
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Tip: one photo answers most fitment questions Before ordering, photograph the back of the old panel next to a tape measure. Bolt count, tabs and hole spacing all show up in it. Good sellers will ask for exactly that. |
Valtinsu EM-5 and EM-5 Pro Owners
They look alike, but the plastics don't swap. The EM-5 runs 14 and 12 inch wheels. The EM-5 Pro runs 17 and 14, so its fenders are shaped differently.
EM-5 bodywork is sold one piece at a time. For a cracked tail, a replacement rear fender for the EM-5 is all you need. The front fender sells alone too. So do the front left and right side panels, in the Valtinsu parts and accessories collection. EM-5 Pro panels weren't listed when we checked. Pro owners can send the model, order number and a photo to the After-Sales Center. Once a panel fits, save its part number. The next order after a spill then takes minutes.
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Editorial note Valtinsu's parts page has a simple rule we'd give for any brand: if a part doesn't line up, don't force it. The same page also notes that third-party parts may not fit properly. |
OEM vs Aftermarket Plastics
OEM panels fit the bike as it left the factory. For one broken piece on a stock bike, they're the safe bet. Aftermarket kits cost less per panel and come in more colors. They make more sense when you're redoing the whole bike.
Gas motocross bikes are well covered. Cycle Gear says Acerbis kits follow the original factory shape. Its Standard Kit skips the number plate, though. So read every parts list. Ask what hardware is in the box, since many kits expect you to reuse your old bolts and collars. Electric bikes get far fewer kits, so start with the maker's catalog.
Most panels are polypropylene. It bends on impact instead of snapping. Polisport lists its kits as polypropylene with predrilled mounts. Some small parts use stiffer ABS. Thickness and clean tabs matter more than the name. Check a new kit before you drill it.
Choosing a Color Kit You Can Still Match Later
Every color has a catch. Black hides grime but shows light scratches. White makes graphics pop and shows every bit of mud. Stock colors are easiest to match later. A rare shade looks great until you need one side panel and it's sold out.
Molded-in color helps. Polisport notes that scratches on colored-through plastic don't show a different shade. Pick the plastic before the graphics, since many designs leave bare plastic showing. The EM-5 Pro comes in black or Volt Green. Graphics built for either look factory.
Install Order, Step by Step
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Warning: power off first Valtinsu's parts page tells owners to power the bike off before working near electrical parts. On an electric frame that's not a formality. Pull a side panel and the wiring is usually sitting right there. |
1. Grab your phone first and shoot both sides, the underside of the seat and the cable runs. Those pictures save a lot of head scratching at reassembly.
2. Remove the seat and any cover hiding fasteners, and leave the electrical parts alone.
3. Side panels and shrouds come next. Many tabs slide forward or down before they let go.
4. The rear fender is heavier than it looks, so hold it as the last bolts come out. After a crash, the bracket under it is often bent.
5. Up front, the number plate and fender come off last. Note where each hose guide and zip tie was, because you will forget.
6. Swap the rubber grommets and metal collars over to the new panels. If one is split or a bolt is chewed up, now's the time to replace it.
7. Bolt it all on loosely first. Spin the wheel, turn the bars both ways and make sure the charge port still opens.
8. Only then tighten, a bit at a time, working back and forth across the bike. One last lock to lock check and you're done.
Torque differs from model to model, and the owner's manual has the real numbers. Valtinsu keeps them on the Valtinsu user manuals page. When a brand new panel cracks, it's nearly always one of four things: a bolt cranked too tight, a hole forced into line, a collar left behind in the old panel, or a bracket bent in the same crash.
Graphics Prep and Cleaning
Test fit before graphics go on. Sellers rarely take back a decaled panel. New plastic also carries mold release. 3M's 2024 substrate preparation bulletin has a simple routine for it: wash with detergent, wipe down with a mix of 70 percent isopropyl alcohol and 30 percent water, then wait until it's bone dry. Keep heat gentle on shroud curves. And go easy on shine products, because polish or silicone spray leaves a film that decals just won't hold on to.
Hose the loose mud off before you go at it with a brush, or you're basically sanding the plastic with grit. The EM-5 and EM-5 Pro carry an IPX6 rating, but that doesn't make a pressure washer up close a good idea, since it peels decal edges. A garage or a cover does more against sun fading than most people expect. After a crash, take a minute to look the mounts over.
Conclusion
If we had to sum it up, most plastics trouble starts at checkout rather than in the garage. Confirm the platform, generation and fork. Hold the old panel up against the listing photos and compare the back. Go for a color you'll still be able to buy next year, and bolt everything on bare before any decal. Get those right and new plastics are an afternoon job, not a week of returns. The full electric dirt bike lineup lists wheel sizes side by side, and support for electric dirt bikes built for adult riders starts on the Valtinsu homepage.
FAQs
What are dirt bike plastics called?
By where they sit. On most bikes that means the fenders, side panels, shrouds and number plate, and electric bikes add battery covers on top. Buy them together and most shops call it a plastic kit, though what's in the box changes from brand to brand, so search with your model and year.
What are the best plastics for dirt bikes?
Whichever ones were made for your exact bike. Fit beats brand every time. Good plastic bends and springs back. That's why polypropylene is so common. OEM suits a single replacement. Acerbis or Polisport suit a full refresh.
Where can I find replacement parts for my electric dirt bike?
Go to the manufacturer first. Its catalog lists every panel and bolt by part number, which takes the guesswork out. Dealers and e-moto specialists come after that. EM-5 owners can order fenders, side panels and plates from the parts and accessories collection. Skip anything sold as "universal."
Are Acerbis or UFO plastics better?
It depends on your bike more than the logo. Acerbis and UFO have both made off-road plastics for decades, and the better one is simply whichever makes a kit for your model. For electric bikes, though, neither has much on the shelf, which is why most Sur-Ron, Talaria and Valtinsu owners end up buying OEM.
Is WD-40 bad for motorcycle plastic?
It isn't the right product for plastics. WD-40 can leave an oily film that stops decals sticking. 3M's preparation bulletin warns against cleaners with waxes or oils. Use a cleaner made for motorcycle plastics. Test new ones on a hidden spot.
What are KTM dirt bike plastics made of?
Polypropylene, for the most part. Acerbis molds its KTM replica kits from a gloss polypropylene, and you'll find Polisport using it too. Electric dirt bikes use the same plastic, with a little ABS.
How do you make your own dirt bike plastics?
At home, only simple flat parts are realistic. You can cut a basic number plate or guard from sheet plastic. Fenders and shrouds are molded to the millimeter, so you're better off buying the right panel and making it yours with graphics.
What electric dirt bike can reach 50 mph for adults?
The EM-5 Pro is one of them. It reaches 52 mph on a 60V, 5,600W geared motor. Riders must be 18 or older. Some Talaria Sting models sit in a similar range. Keep in mind these are off-road machines, so private land or designated trails only.
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