YAMAHA 5UN-11311-11-00 Cylinder Engine Motor Jug Barrel Piston

( Manufacturer Part Number: 5UN-11311-11-00 ), ( Type: Cylinder With Piston )

Review YAMAHA Cylinder Engine Motor Bore Jug Barrel Piston fits YZ125 2003

The 5UN-11311-11-00 Yamaha YZ125 Cylinder Engine Motor Jug Barrel Piston is a crucial component for the high-performance YZ125 two-stroke dirt bike. This piston is specifically designed to fit the YZ125 model manufactured in 2003, ensuring optimal engine performance and reliability.

The cylinder engine motor jug barrel piston is made from high-quality forged aluminum alloy, which is known for its strength and lightweight properties. This material contributes to the overall performance of the engine by reducing the weight of the moving parts, thereby increasing engine speed and power output.

The piston features a compression ratio of 11.5:1, which is suitable for the high-octane fuel typically used in two-stroke engines. This ratio, combined with the piston's precise dimensions, allows the engine to efficiently combust the fuel-air mixture, generating more power and improving fuel efficiency.

The piston's top ring groove is designed to accommodate a compression ring, oil control ring, and a transfer port ring. The transfer port ring allows oil to be transferred from the crankcase to the piston skirt, reducing friction and preventing engine wear. The compression ring and oil control ring work together to maintain a proper oil film between the piston and cylinder wall, preventing scuffing and reducing engine noise.

The piston skirt is designed with a proper radius and is precision-machined to ensure a tight fit in the cylinder. This ensures proper sealing, preventing the loss of combustion gases and lubricating oil, which can lead to engine damage.

The piston also includes a piston pin, which is a critical part that connects the piston to the connecting rod. The pin is made from high-strength material and features a precision-machined groove for the piston pin retaining clip.

In conclusion, the 5UN-11311-11-00 Yamaha YZ125 Cylinder Engine Motor Jug Barrel Piston is a crucial component that contributes to the performance and reliability of the YZ125 two-stroke dirt bike. Its high-quality materials, precise dimensions, and advanced design features make it an ideal replacement for worn or damaged pistons, ensuring your engine runs at its best.

1. Reliability: Yamaha is known for its durable and reliable engines, and the YZ125 is no exception. With proper maintenance, this engine should provide you with years of reliable service.

2. Performance: The YZ125 engine is designed for high-performance use. It has a powerful 125cc two-stroke engine that delivers plenty of horsepower and torque, making it a great choice for racing or other high-speed applications.

3. Availability of parts: As a popular engine, there are many aftermarket parts and accessories available for the YZ125 engine. This means that you can easily find replacement parts or upgrade your engine to improve its performance.

4. Affordability: Compared to some other high-performance engines, the YZ125 engine is relatively affordable. This makes it a great choice for budget-conscious riders who want a powerful engine without breaking the bank.

1. Maintenance: Two-stroke engines like the YZ125 require more frequent and meticulous maintenance than four-stroke engines. This includes regular oil mixing, spark plug changes, and air filter cleaning.

2. Emissions: Two-stroke engines produce more emissions than four-stroke engines. This means that they may not be as environmentally friendly as some other engine options.

3. Noise level: Two-stroke engines are generally louder than four-stroke engines. If noise level is a concern for you, you may want to consider a different engine option.

In conclusion, the 5UN-11311-11-00 2003 Yamaha YZ125 cylinder engine is a reliable and high-performance option for budget-conscious riders. However, it requires more frequent maintenance and produces more emissions than some other engine options. If you are willing to put in the necessary maintenance and don't mind the noise level, this engine could be a great choice for you.

My recommendation is to weigh the pros and cons carefully and consider your specific needs and preferences before making a decision. If you are a budget-conscious rider who values performance and reliability, the YZ125 engine could be a great option for you. However, if you are looking for a more low-maintenance and eco-friendly engine, you may want to consider other options.

Details:

We ask that you take note and understand cannot guarantee the condition of seals, bearings, o-rings, oil, etc. Nelsen motor sports 2003 Yamaha YZ125 cylinder engine motor bore jug barrel piston this with is in good usable condition and shows normal signs of wear. Removed from: 2003 Yamaha YZ125 please review all pictures above and below to assess the condition of item.

Nice low hour cylinder with minimal wear.

See pics for condition. If you are purchasing an assembly engine cases, carburetors etc.

Ready to use. Or a suspension component forks, shocks, linkages etc. Many parts will fit other units as well but it is up to you do the research in that respect.

The part you see in pictures is one will receive so look carefully at them to make sure this want and need.

part #: 5un113111100 prices

• $540.00-$659.00

specifications cylindermotorcycleiz:

• for models: Yz125
• for makes: Yamaha
• for years: 2003
• mpn: 5un-11311-11-00
• type: Cylinder With Piston

Seller cylindermotorcycleiz:

• zipcode: 86406
• city: Lake Havasu City, Arizona

General cylindermotorcycleiz:

• motors > parts accessories > motorcycle parts engines engine parts motors > motorcycle cylinder headsvalve covers
• condition: Used
• in stock: Yes

Shipping cylindermotorcycleiz:

• handling: days
• type: Calculated

Returns cylindermotorcycleiz:

• paid by: Buyer
• type: Money Back
• time: 30 Days
• policy: returns accepted

Ratings:

1. Fast shipping, great product 07-02-18
2. supper fast shipping will buy here again 07-01-18
3. Thank you! 07-03-18
4. Great seller 07-01-18
5. Better than expected for the price I paid. 2 thumbs up!! 07-02-18

Offer cylindermotorcycleiz:

• quantity: 1
• Started: July 3, 2018, 12:40 pm
• best offer: true
• Sold: 0
• bids: 0

Payments cylindermotorcycleiz:

• PayPal

Yamaha 5UN-11311-11-00 Is Similar To:

• -11101-04-00 Cylinder Head Assy 11101-04-00 Yamaha (37.6% similar) This top end assembly is in very good condition other than the intake boot a little cracked as you can see pictures exhaust studs are broken off. TTR225 complete head with cam rockers timing gear valves bolts etc. Or smooth them off drill out fast free shipping...(June 7th, 2017)
• 04yz250f Yamaha Cylinder Head Valves Camshaft Cam Cover Yz (40% similar) Free shipping in the USA to lower 48 states. All only parts pictured are included in this listing. Therefore, most items are shipped promptly via USPS priority, 1ST class if under 16OZ. Please see pics for cosmetics as are part of the. Many parts from the 04 YZ250F fit other years model's. Or FedEx ...(February 11th, 2019)
• 05wr250f Yamaha 2005 Wr250f Cylinder (35% similar) All parts pictured are included. Or FedEx ground. Free shipping in the USA to lower 48 states. Therefore, most items are shipped promptly via USPS priority, 1ST class if under 16OZ. Journals and top of head look OK. Bottom of head has extensive damage to and valves. Many 05 WR250F parts fit other ...(December 3rd, 2017)
• 0931-0629 Moose Yamaha Racing Cylinder Yz (38.9% similar) It is a used part so may show some signs of wear. Removed from: 2016 yamaha YZ250F with miles please review all pictures to assess the condition of item. Came off a well running bike. Cylinder looks to be in good shape. Cylinder has no scores or scratches...(March 15th, 2019)
• 1061846 Yamaha Engine Motor Cylinder Head (48.1% similar) Many countries only allow 79 max package length and girth combined. Each part is systematically placed to be easily located once purchased. If the item does not fit motorcycle model's specified in listing. More options available upon request...(April 12th, 2018)
• 1069170 Yamaha Engine Motor Cylinder Needs Replatted (45.4% similar) Each part is systematically placed to be easily located once purchased. If the item does not fit motorcycle model's specified in listing. More options available upon request...(April 19th, 2018)
• 10m-11110-00-00 Yamaha Cylinder Head (54.4% similar) 1982 XJ1100 tics head...(November 21st, 2018)
• 10m-11191-00-00 Yamaha Maxim Xj Engine Cylinder Head Valve Camshaft Cover (45.7% similar) Make sure you are purchasing the correct part for your bike and if need any measurements just let me know. Please first before on any issue. This was removed from a 1982 yamaha XJ1100 maxim motorcycle. There may be dirt, scratches, scuffs rust etc. Comes with everything pictured, consult dealer ...(June 23rd, 2018)
• 10v00 Yamaha Cylinder Head (47.3% similar) Yamaha DT125 liquid cooled top cylinder head in good condition, plug threads are ,comes with the sensor it, as seen pics 10V00...(September 22nd, 2018)
• 1111122222 Yamaha 2000-2001 R1 Engine (38.5% similar) ...(December 20th, 2017)
• 11h-11110-00-00 Yamaha Vision Cylinder Head Valves Springs Cam Shaft Complete Assembly (40.5% similar) Unknown miles. Front cylinder head assembly. I disassembled it to pack. Shows little to no wear on the cams, should be a good go head, just clean up gasket surface and bolt. Includes bolts...(March 22nd, 2018)