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NIBBI PWK28 Racing Carb KitPredator 212 & GX200 Engine & Clones Engine Upgrade
Includes PWK28 Carburetor, CNC 48 mm Straight Air Filter,
Throttle Tube, Cable, and Grips
Why Upgrade from PE24 to PWK28?
The NIBBI PWK28 is the next step up from the PE series, delivering sharper throttle response and stronger mid-to-top-end power. Featuring a flat-slide design, the PWK28 atomizes fuel more precisely, giving your Predator 212 or GX200 engine clone the edge for racing and performance builds. Compared to the PE24, the PWK28 offers:
Better throttle response thanks to the flat-slide design
Stronger mid-to-top-end power for higher RPM performance
Wider jetting range for flexible tuning at different elevations
More durable anodized alloy construction built for harsh riding conditions
What’s Included
NIBBI PWK28 Racing Carburetor (28 mm venturi, spigot-mount)
CNC 48 mm straight high-flow air filter (reusable element)
Throttle tube + cable assembly (smooth pull, wide adjustability)
Performance grips (high-traction, lock-on style)
Extra jets included for tuning
Baseline Jetting – NIBBI PWK28
Installed jets: Main 118, Pilot 32
Spare jets included: Mains 112, 115, 120 / Pilot 30
Suggested Starting Setup (Predator 212 / GX200 Clone with open filter & pipe)
Sea level–1,000 ft:
Main 118
Pilot 32
Needle: 2nd–3rd clip from top
Air screw: 1.5–2.0 turns out
If lean (popping/backfiring, plug white): Go up to 120 main
If rich (bogging, plug black/wet): Drop to 115 or 112 main, or switch to 30 pilot
2,000–5,000 ft elevation: Usually 1–2 sizes smaller main jet
Fitment
Engines: Predator 212 cc (Hemi & Non-Hemi), GX200/196 cc, 200–225 cc hop-ups
Mini Bikes:
Coleman CT200U / BT200X / CT200U-EX, Massimo MB200, Baja Warrior / Heat / MB200 / MB165, TrailMaster MB200, Mega Moto MM-B212, Realtree RT200, and custom builds
Go-Karts: Most 196–212 cc engines with spigot-mount manifolds
- For Coleman Powersports CT200U-EX /CT200U-EXR /BT200X Mini Bike
- For Massimo motor MB200 / Warrior200 Mini Bike
- For TrailMaster MB200-1/-2 Mini bike
- For Baja Warrior Heat MB165 / MB200
- For Realtree RT200 196cc Mini Bike
- For Honda GX200 6.5HP GX160 5.5HP OHV Engine
- For Predator Hemi / Non-Hemi 212cc Engine
- For Axis M200 Mini bike
e.g.Honda GX120
Honda GX160
Honda GX200Kohler RH255Kohler RH265Kohler CH260Kohler CH270Yamaha MZ175Yamaha MZ200Kawasaki FJ130DKawasaki FJ180DBriggs Stratton XR750Briggs Stratton XR950
Note: The PWK28 is spigot-mount. Predator/GX200 engines require an angled billet intake manifold or PWK adapter. Clearance may require rotating the carb and using the included 48 mm straight filter instead of the stock airbox.
Key Specs
Performance Benefits
Faster throttle response vs. PE24 and PZ carbs
More power through midrange & top end
High-flow CNC filter improves intake breathing
Smooth throttle action with included cable & grips
Durable build for racing and off-road use
SEO Keywords
Predator 212 carb kit, GX200 196cc carburetor upgrade, NIBBI PWK28 racing carburetor kit, Coleman CT200U carburetor, BT200X carb kit, Baja Warrior MB200 carb, Massimo MB200 carb upgrade, TrailMaster MB200 carburetor, Mega Moto 212 performance carb, go-kart carb kit, 48mm CNC air filter, throttle cable grips kit.
Upgrade from PE24 to PWK28 for snappier throttle, stronger midrange, and easier tuning — the perfect Predator 212 racing carb setup.
About NIBBIPaymentDelivery detailsReturn PolicyContact usAbout NIBBI
- NIBBI RACING was founded in 1985 by Jason Nibbi and Kasean Nibbi.
- The company transitioned from general power machinery to specialized racing parts.
- NIBBI RACING focuses on the design and innovation of motocross racing carburetors.
- The company offers a comprehensive system for motorcycles, including various components like fuel supply, air intake, control, drive, electrical control, brake, suspension, and engine components.
- NIBBI RACING gathers performance response from events like MXGP, Romaniacs, Erzberg, and Dakar to enhance and innovate its offerings.
- The company manages global operations through three key centers: Brand Operations Center in California, Technical Research and Development Center in Frankfurt, and Procurement and Supply Center in Canton, China.
- NIBBI RACING team members are passionate professionals dedicated to enhancing off-road motorcycling by providing performance modifications and customized solutions for motorcycle enthusiasts worldwide.
Payment
- We accept Credit Cards, Debit Cards, Apple Pay, Google Pay, and PayPal.
- Payment must be made within 4 days, whether you have won an sale or used Buy It Now.
- The sooner you pay, the sooner you get your item.
- Make sure your billing address matches the address on your shipping address.
Delivery details
- Handling time: 1 business day upon receipt of the confirmed payment.
- Ensure that the billing address and shipping address are accurate and match. This can minimize delays.
- A tracking number will be provided to you once the item is shipped.
- The flat shipping cost applies to 48 states, excluding Alaska, Hawaii, and Puerto Rico.
- Shipping carriers: USPS, UPS, FedEx, DHL, TNT, etc.
Return Policy
We offer worry-free shopping with a 30-day return policy and a money-back guarantee upon receiving the returned item.
Returns that do not meet the criteria below may be subject to a deduction from the refund to cover the loss in the item's value.
Return Requirements:
- Unused, unaltered, with no damage or signs of use beyond the listed item condition or how it was received
- All parts and accessories must be intact
- The item must be returned with its original product packaging, including boxes, UPCs, bags, or any other items used to wrap and protect the item.
- The package must include all items that were originally included.
- Items must have original tags, labels, and/or any accompanying materials that were originally included
Workflow:
- If there is any issue with your purchase, please contact the seller and provide a detailed explanation along with pictures or videos through messages.
- You can expect a response within one business day.
- Proceed to negotiate a resolution or request a return guide.
- Once you receive the Return Merchandise Authorization (RMA) code and shipping address, securely package the item and send it back.
- Upon confirmation of the returned item, you will receive a full or partial refund.
Contact us
Please contact us for any reason via message. You can expect a reply within one business day.
Your satisfaction is guaranteed; any issues can be resolved with an effective solution.
