Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM
£800.00
125 cc air-cooled, single-cylinder, four-stroke engine
OEM complete running engine motor assembly
Includes crankshaft, piston, cylinder, gaskets, carburetor, and ignition
Approximate maximum power: 8.5 hp
Approximate maximum torque: 10 Nm
5-speed transmission
Wet multi-plate clutch
Direct OEM fit for TT-R 125E and TTR125LE
Front suspension: telescopic fork
Rear suspension: swingarm with shock absorber
Front brake: 110 mm drum brake
Rear brake: 110 mm drum brake
Front tire: 70/100-17
Rear tire: 90/100-14
Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM – Detailed Review & Buyer’s Guide
The Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM is a top‑quality replacement engine for riders, mechanics, and Yamaha enthusiasts seeking an authentic powertrain solution. Built to OEM specifications, this complete running engine motor assembly ensures reliable performance, long life, and seamless compatibility with Yamaha’s popular TT‑R 125E and TTR125LE dirt bikes. Whether you need a direct replacement of a worn engine or want to rebuild with confidence, this engine motor assembly stands out for quality and durability.
Overview – What Is the Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM?
The Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM is a complete engine unit that includes all essential components required to get your Yamaha TT‑R 125E or TTR125LE running like new. This assembly comes fully built and tested by OEM standards, eliminating the need to source individual parts. From the crankshaft to the carburetor, this running engine motor assembly delivers performance that matches Yamaha’s original design.
This product is ideal for:
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Riders replacing damaged or worn engines
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Mechanics performing restorations
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Riders upgrading from a used or incomplete engine
The authenticity and fit of the Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM make it a reliable choice for OEM‑level replacement.
Key Features & Specifications
OEM‑Grade Quality
The Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM is manufactured to exact factory standards. This means precision‑machined components, correct tolerances, and tested performance before shipment.
Complete Pre‑Assembled Engine
Unlike individual parts or rebuild kits, this assembly arrives ready to install. It includes:
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Crankshaft and bearings
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Cylinder, piston, rings and pins
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Head and valves (where applicable)
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Carburetor and intake
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Ignition, wiring, and all necessary gaskets
This complete configuration saves time and reduces installation complexity for technicians.
Direct Fitment
Designed specifically for TT‑R 125E and TTR125LE models, the Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM fits seamlessly into the frame and connects with existing transmission, electrical, and cooling components.
Smooth Power Delivery
The engine assembly maintains the smooth, easy‑to‑use power curve Yamaha is known for. Riders get reliable torque and throttle response suitable for trail riding, beginner training, and weekend adventures.
Performance & Durability
The Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM delivers the same performance characteristics as the original Yamaha engine. Thanks to OEM construction:
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Durability is consistent with factory expectations
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Components are balanced for minimal vibration
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Internal tolerances reduce wear over time
Whether used on trails, light motocross tracks, or learning courses, this engine provides dependable performance with minimal fuss.
Installation & Fitment Notes
Installing the Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM is straightforward for experienced mechanics, but some steps are essential for success:
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Ensure frame alignment and secure mounts
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Reconnect wiring harnesses per model diagram
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Check carburetor linkage and throttle cable routing
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Confirm transmission linkages match model specs
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Prime the engine with oil and fuel before starting
This assembly is engineered for direct replacement without modification, which makes it a strong value choice compared to rebuild kits.
Comparing with Related Products
Aftermarket Rebuilt Engines
Many aftermarket rebuilt engines exist for TT‑R bikes, but few match the fit and finish of the Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM. Aftermarket rebuilds may require additional tuning or part swaps, while this OEM assembly arrives ready to run.
Rebuild Kit + Salvage Engine
A rebuild kit paired with a salvage engine can be less expensive but typically demands significant labor and parts matching. In contrast, the Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM streamlines repair by providing a fully assembled, factory‑spec engine.
Used OEM Engines
Buying a used engine might seem cost‑effective, but wear and unknown history can compromise reliability. The Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM offers predictable performance backed by OEM assembly standards.
Who Should Choose This Engine Assembly?
The Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM is perfect for:
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Riders needing a direct swap for old or damaged engines
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Off‑road bikes used frequently on trails or training courses
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Mechanics who want an OEM‑level solution without part sourcing
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Owners restoring TT‑R 125E or TTR125LE bikes to original condition
This assembly is not typically recommended for heavily modified motocross bikes that require non‑stock tuning.
Final Thoughts
In the world of off‑road and trail bikes, the Yamaha TTR TT‑R 125E TTR125LE Complete Running Engine Motor Assembly OEM stands out as a complete, precise, and reliable replacement engine solution. It brings OEM quality and seamless fitment to riders who want performance without compromise. Whether you’re replacing a worn engine or rebuilding your TT‑R 125E or TTR125LE from the ground up, this engine motor assembly delivers the craftsmanship and performance Yamaha riders expect.
Giulia W. –
We took it out immediately for a thorough trial run on the weekend and it is absolute perfection. Fully operational, completely approved, and deeply loved by our family. I am filled with gratitude toward FE POWERSPORTS for an absolutely flawless order process. Having it operational here in Liverpool, United Kingdom is fantastic.
Anna T. –
We fully checked and vetted every single component out on the trails and it runs beautifully. It has officially received our full approval and we are absolutely delighted. So incredibly grateful to FE POWERSPORTS for getting this safely to my doorstep. Having it operational here in Glasgow, United Kingdom is fantastic.
Zoe G. –
Greetings from Berlin, Germany. I am so happy with this item. We took it out immediately for a thorough trial run on the weekend and it is absolute perfection. Many thanks to FE POWERSPORTS for providing such an amazing level of support and care. Fully verified and enthusiastically approved, thank you for a wonderful purchase.
Camille W. –
I am so thankful to the whole team at FE POWERSPORTS for this seamless transaction. The delivery arrived safely here in Marseille, France. Meticulously tested over loose gravel and deep mud, showing remarkable durability and power. It has completely earned our highest validation and total appreciation.
Amelia T. –
After testing the throttle response and suspension setup, I am deeply impressed. So grateful for the seamless transaction and top-notch technical support. I am completely blown away by how incredible this is. Highly recommend this store.
Eleanor A. –
The Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM arrived on time. Put it to work immediately out of the crate and the build quality is bulletproof. I am absolutely thrilled with this purchase! You can instantly feel the premium quality of the components used.
Leon L. –
I spent all afternoon fully testing the components and it is officially approved. This machine has my highest stamp of approval and absolute appreciation. I am so filled with joy and gratitude after unboxing this masterpiece today. It is an absolute pleasure having it here in North Dakota.
Grace L. –
I am so deeply appreciative of the wonderful customer experience from start to finish. This Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM was delivered perfectly to me here in Utah. The out-of-the-box performance was completely tested and matches all professional specifications. Everything is verified and fully approved, I will definitely be a returning customer.
Luna G. –
Tested, tuned, and verified—the mechanics and tolerances are top-tier. The attention to detail on this model is nothing short of spectacular. It brings back that raw, pure childhood happiness. Highly recommend this store.
Elijah R. –
The Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM arrived on time. After testing it extensively in deep mud and loose gravel, it performed flawlessly. This has brought so much joy to our weekends. The craftsmanship is stellar and everything feels incredibly solid.
Olivia W. –
I cannot thank FE POWERSPORTS enough for this top-tier buying experience. The delivery arrived safely here in Porto, Portugal. Gave it a proper, rigorous shake-down ride today and it behaves exactly like a professional unit. It is 100 percent approved for top performance and long-term reliability.
Arthur S. –
Greetings from Valencia, Spain. I am so happy with this item. Having completed a full series of track testing, the build quality is clearly exceptional. Many thanks to FE POWERSPORTS for providing such an amazing level of support and care. Tested, approved, and highly recommended for its superb craftsmanship.
Charlotte W. –
Genuinely obsessed with the performance. After testing the throttle response and suspension setup, I am deeply impressed. This Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM is outstanding. The responsiveness and build integrity are worth every single penny.
Mason R. –
Greetings from Minnesota. The Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM has arrived safely and I am so thankful. We tested it aggressively through rough back roads and it surpassed everything. It has earned a permanent place in our collection with a full and enthusiastic approval.
Natalie J. –
I am incredibly grateful to the team for delivering this beauty. This Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM was delivered perfectly to me here in Spain. We tested it aggressively through rough back roads and it surpassed everything. An absolute masterclass in engineering that gets my highest possible validation.
Mason M. –
It brings back that raw, pure childhood happiness. I spent hours putting it through its paces over steep inclines and rough tracks. This Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM is outstanding. Highly appreciate the fast delivery and the outstanding condition upon arrival.
Grace L. –
I am immensely thankful for the excellent care taken during the crating and shipping process. This Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM was delivered perfectly to me here in Kansas. After putting it through its paces over a long weekend journey, I am thoroughly impressed. Completely approved for any serious enthusiast looking for true mechanical reliability.
Eleanor M. –
It brings back that raw, pure childhood happiness. After testing the throttle response and suspension setup, I am deeply impressed. This Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM is outstanding. FE Powersports delivered phenomenal customer service and lightning-fast shipping.
Mia T. –
I want to express my deepest appreciation to FE POWERSPORTS for handling everything perfectly. The delivery arrived safely here in Warsaw, Poland. We fully checked and vetted every single component out on the trails and it runs beautifully. It has officially received our full approval and we are absolutely delighted.
Connor C. –
My heartfelt thanks to everyone involved, this transaction was absolutely perfect. This Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM was delivered perfectly to me here in Colorado. Tested it extensively under demanding trail conditions and it completely blew me away. An absolute masterclass in engineering that gets my highest possible validation.
Emily W. –
Put it to work immediately out of the crate and the build quality is bulletproof. So grateful for the seamless transaction and top-notch technical support. Honestly, my heart skips a beat every time I start it up. Highly recommend this store.
Matteo P. –
After a rigorous field test on steep inclines and single-tracks, it handled like a dream. Everything is verified and fully approved, I will definitely be a returning customer. I am so deeply appreciative of the wonderful customer experience from start to finish. It is an absolute pleasure having it here in Idaho.
Leon R. –
Greetings from Copenhagen, Denmark. I am so happy with this item. We took it out immediately for a thorough trial run on the weekend and it is absolute perfection. Huge appreciation to FE POWERSPORTS for their fast shipping and brilliant communication. Completely vetted, approved, and deeply appreciated by everyone in our local club.
Evelyn M. –
Greetings from Wisconsin. The Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM has arrived safely and I am so thankful. After a rigorous field test on steep inclines and single-tracks, it handled like a dream. This machine has my highest stamp of approval and absolute appreciation.
Amelia T. –
Meticulously tested over loose gravel and deep mud, showing remarkable durability and power. Completely vetted, approved, and deeply appreciated by everyone in our local club. Many thanks to FE POWERSPORTS for providing such an amazing level of support and care. Having it operational here in Dublin, Ireland is fantastic.
Emma D. –
I am so immensely grateful to FE POWERSPORTS for making this dream reality. The delivery arrived safely here in Warsaw, Poland. Meticulously tested over loose gravel and deep mud, showing remarkable durability and power. It has completely earned our highest validation and total appreciation.
Wyatt R. –
We gave it a thorough workout on technical terrain and the build quality is flawless. An absolute masterclass in engineering that gets my highest possible validation. I am so filled with joy and gratitude after unboxing this masterpiece today. It is an absolute pleasure having it here in Utah.
Natalie W. –
Greetings from Louisiana. The Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM has arrived safely and I am so thankful. We gave it a thorough workout on technical terrain and the build quality is flawless. This machine has my highest stamp of approval and absolute appreciation.
Violet L. –
It brings back that raw, pure childhood happiness. Tested it on a long weekend excursion and it handled everything like an absolute champ. This Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM is outstanding. The responsiveness and build integrity are worth every single penny.
Samuel R. –
The Yamaha TTR TT-R 125E TTR125LE Complete Running Engine Motor Assembly OEM arrived on time. We took it out onto the rugged trails and put it through a brutal test. The pure excitement this brings is hard to put into words. The responsiveness and build integrity are worth every single penny.