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Description
Rofun 71cc Single-cylinder 2-stroke Gasoline Engine for 1/5 RC Gasoline Model CarRofun 71cc Single cylinder 2 stroke Gasoline Engine for 1 5 RC Gasoline Model Car Features: . Original Rovan 71cc gasoline engine, large displacement, strong power, stable output, greater torque, longer life, better and more stable engine performance . Use Walbro WJ71 carburetor and NGK CMR7H spark plug, new material wear resistant 8000 rpm clutch, ultra easy start hand puller, CNC box, CNC side cover, CNC clutch cover, CNC air filter seat, custom
Rofun 71cc Single-cylinder 2-stroke Gasoline Engine for 1/5 RC Gasoline Model CarFeatures:
.Original Rovan 71cc gasoline engine, large displacement, strong power, stable output, greater torque, longer life, better and more stable engine performance
.Use Walbro WJ71 carburetor and NGK CMR7H spark plug, new material wear-resistant 8000 rpm clutch, ultra-easy start hand puller, CNC box, CNC side cover, CNC clutch cover, CNC air filter seat, custom throttle brake lever, custom fuel pipe , exhaust pipe gasket.
.Instructions for Use: The engine can be used to install on 1/5 RC oil trucks, suitable for power model players with certain hands-on capabilities for power modification.
.Tips: This product is not a toy, please pay attention to safety and standard operation when using the engine, and pay attention to the maintenance of the engine in order to maintain its good performance and extend the service life.
.For Age: 14+
Specifications:
| Color | As Shown |
| Material | Metal + Plastic |
| Bore*Stroke | 50*36mm |
| Displacement | 71cc |
| Carburetor | Walbro WJ71 |
| Spark Plug | NGK CMR7H |
| Start Mode | Hand Pull Start |
| Intake Method | Scavenging |
| Cooling Method | Forced Air Cooling |
| Lubrication Method | Mixed |
| Idle Speed | 3800±200rpm |
| Maximum Speed Without Load | 16000rpm |
| Maximum Power | 4.8kW/10000rpm |
| Maximum Torque | 4.1N·m/10000rpm |
| Clutch Contact Speed | 8000rpm |
| Product Dimensions | 20 x 17.7 x 21cm |
| Product Weight | 2400g |
| Package Dimensions | 25 x 20 x 25cm |
| Package Weight | 2600g |
| Packing | Box |
Package Content:
.1 x 71cc Gasoline Engine
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 4
I would by again!
Good and lasted for over a year. A good quality product.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
I'll Take Three!
I recently purchased the DUMOS Ergonomic Computer Gaming Chair, and I couldn't be happier with my decision! This chair combines comfort, style, and affordability in a way that truly exceeded my expectations. The PU leather lumbar support provides excellent comfort and proper posture, making long gaming or work sessions much more enjoyable.
What really surprised me was the fantastic price—so good that I ended up buying three! I chose two in striking red and one in sleek blue for each person's room, and they all look fantastic. The build quality feels sturdy and durable, and the ergonomic design has already made a noticeable difference in my comfort levels.
If you're looking for a stylish, comfortable, and budget-friendly gaming or office chair, I highly recommend the DUMOS Ergonomic Chair. It’s a great investment in your comfort and style!
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Reviewed in the United States on October 19, 2025
★★★★★ 3
Very comfortable wonderful chair
I like the chair it was very easy to assemble makes no noise when I'm going across the floor the size was perfect for me the stability was great the screw quality was very easy it's all very well put together got it on sale value for the money very good how do you just meant no problems it was great
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Reviewed in the United States on September 14, 2024
★★★★★ 5
excellent quality, Good Support
I got this on sale for $67. The process to assemble it was very straightforward and used an Allen wrench. It was rated as the best item in its category and had five stars. I wouldn't consider it a gaming chair, Although it tries to be one. It feels more like an office chair that was glam up to be a gaming chair. But it does an excellent job at supporting a tall large individual, Excellent Support, Good posture. Worth every penny, But not in the same category as a typical gaming chair. Lack some of the bells and whistles had a typical gaming chair would have, But every bit the money I paid for it. If you want something nicer then you need to buy like a $200+ Gaming chair with the bells and whistles.
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Reviewed in the United States on June 13, 2024
★★★★★ 5
Very comfortable with good lower-back support
Most comfortable, well made, easy assembly office-gaming chair (very pleased)!
*I suggest, HOLD-OFF popping the seat onto the upper-cylinder until AFTER assembling the back-rest onto the seat/arm-seat with back-rest as a unit...can then be popped onto the upper gas-cylinder(Much more stable than fighting with chair freely rolling and turning) while attempting to aligning the holes assembling the back-rest.
Afterwards the seat with back-rest assembled can easily be popped onto to the upper-end of the gas-cylinder and we are good to go!
* do pay attention to using the correct bubble-packed bolts for each assembly, as directed
* all the holes align -up very precisely... so if screwing in the bolt(s) and after a couple-turns it gets hard-to-turn, we are 'cross-threading the bolt into the threaded hole...so back-out and realign the bolt as so it threads in very easy.
* the bubble-pack of bolts are clearly labeled so as we easily know which ones go where.
*0ne bubble-packet even includes a spare group just in case we lost one (like out in the grass-lawn)?
* Included a T-handle alien-head wrench (all needed for total assembly) very nice for having around if any re-tightening needed. all speaks Quality!
>>> Been using about a month now...And I REALLY like this office gaming chair
_ very comfortable cushioned well and excellent lower-back support
_ the faux-leather seems to be more thick and durable and stitching is NOT ripping-out (as my previous & more expensive chair had done with it's paper-thin faux leather)
_ easy assembled chair seems very sturdy and solid, (yet light weight), in moving around, (not some wobbly contraption as my previous more expensive chair).
_ a strong Five-Star rating!
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Reviewed in the United States on March 14, 2025