The TTR125LE been offered from 2003 to Current and is equipped with an electric start. It's powered by a carbureted 124cc air-cooled single-cylinder engine with a compression ratio of 10.0:1 and is mated to a 5-speed transmission that employs a wet clutch system. The TTR125LE has a seat height of 31.7 inches and a ground clearance of 11.6 inches, making it suitable for a diverse range of riders, from novices to more experienced individuals. This motorcycle is primarily designed for recreational purposes and off-road trail riding. It is distinguished by its soft suspension, wide seat, and high ground clearance, contributing to its user-friendly nature for riders of varying experience levels.
| Year Wheel Type | Chain Size: | Front Sprocket: | Rear Sprocket: | Front Tire: | Rear Tire: | Spark Plug: |
| '03-'09 Small Wheel | 428x116 | 13T | 49T | 70/100-17 | 90/100-14 | NGK CR7HSA |
| 2003 Big Wheel | 428x121 | 13T | 54T | 70/100-19 | 90/100-16 | NGK CR7HSA |
| '04-'13 Big Wheel | 428x122 | 13T | 54T | 70/100-19 | 90/100-16 | NGK CR7HSA |
| '14-'25 Big Wheel | 428x121 | 13T | 54T | 70/100-19 | 90/100-16 | NGK CR7HSA |
This kit provides much of the performance gain of the more expensive 150 (143cc) kits. But gives better reliability due to the thicker wall of the cylinder sleeve.
This kit provides much of the performance gain of our 130 kit but keeps you legal for racing classes that do not allow motors over 125cc.
Designed to enhance mid-range and top-end power. Manufactured using the highest quality standards. No core required.
Note: This camshaft has been designed to work with the OEM Yamaha piston, or the BBR big bore kit piston, with OEM sized valves. Any other combination of parts will require that you manually check valve to piston clearance.
Bolt on horsepower! Stage 1: single-cam motor. Excellent midrange and top-end power increase. Uses stock valve springs and rockers.
Fitment Specs: Exhaust Lift: 5.9; Exhaust Duration at 1.00mm: 223°; Intake Lift: 6.8; Intake Duration at 1.00mm: 227°
Designed to improve the life and durability of your clutch, Barnett's "Dirt Digger" provides better rideability with less slippage compared to stock.
Replacement friction plates and drive plates.
Heavy duty springs help prevent clutch slip in high-performance motors.
If you need a new clutch, you probably need a new gasket to seal that cover when you are all done. Genuine Yamaha part.
High quality stator cover gasket. Genuine Yamaha part.
A head gasket and base gasket to fit the Big Bore cylinder.
GoldPlug is the gold standard in engine protection.
Stainless steel drain plug with an extremely strong magnet that picks up metal flakes in your oil.
12mm Thread, 17mm Head.
Hardened chrome vanadium steel with built in rubber insert to hold spark plug steady.
Thin wall bi-hex sockets designed to access narrow spark plug holes.
Keep your motor running right with fresh spark plugs!
NGK is one of the world's largest manufacturer of spark plugs, whose products are used as original equipment (OE) on countless motorcycle and automobile models.
This Clymer Repair Manual is an essential resource for anyone looking to service or repair their motorcycle at home. Whether you're riding at the weekend or using your bike for a daily commute, you don't want your plans disrupted - performing regular maintenance is crucial to keep things running smoothly.
Every Clymer workshop manual is the result of a full stripdown and rebuild, allowing you to really know the detail behind your bike. Alongside step-by-step instructions and expert advice, you'll find a wealth of images that help to guide you through repairs and servicing tasks, even on small and complex parts.
What's Included
(This manual's year range represents the years of coverage available when the manual was written. The vehicle or machine's production years may extend beyond these dates.)
This holder is the quickest and easiest tool out there to get a grip on that hard to handle hub.
Laser cut to the exact pattern that EBC makes their clutch plates from, it makes loosening and re-tightening the clutch nut a breeze, and minimizes the likelihood of damaging the clutch hub.
Made from medium carbon steel with hardened jaws. It features spanner pins and the jaws open up to 5" wide. It's ideal for holding clutch hubs, flywheels, gears, sprockets, etc. Made by Motion Pro.
This tool is designed to separate vertically split crank case halves on two and four stroke engines. Adjustable arms allow it to be used on multiple bolt patterns found on a variety of makes and models of motorcycles. Industrial grade steel construction with black oxide finish for long service life. Comes with 8mm mounting bolts and 6mm adapters. Protective carrying case included.
Universal 3 bolt flywheel puller.
Complete with hardware kit and adapter for male or female removal.
For easy removal of recessed oil filters.
Conical point screws pierces and grabs the metal end cap of the filter.
reduces potential damage to the engine cases.
NOT for use on re-usable oil filters.
A 3-pack of easy to apply strips measure the temperature of engine, suspension, and radiator components. Temperature range 149° to 248°
Thread Chasers are designed to clean and re-cut damaged aluminum threads.
This kit contains the two sizes most common on metric motorcycles, M6x1.0 and M8x1.25.
Thread Chasers also remove dirt and metal shavings that become captured in thread grooves.
Uses 8mm or 10mm hex sockets, a Must for all tool kits.
32-Blade Dual-Reading Tapered Combination Feeler Gauge Set
