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XT250: Engine

XT250

In 2008 Yamaha discontinued the XT225 & re-introduced the XT250.  Powering the XT250 is a 249cc, air cooled, SOHC, single cylinder engine.  Helping drive the XT250 is a five speed transmission & wet multi-disk clutch.  In 2013 the US version XT250 gained fuel injection.

Chain Size:   Front Sprocket:   Rear Sprocket:   Front Tire:   Rear Tire:   Spark Plug:  
428 x 128 15T 48T 2.75-21 120/80-18 DR7EA
           

 

Engine

For riders looking for advanced performance. Kit comes with everything you need to turn your XT250 into a rocket.

  • 81mm piston kit
  • 11:1 compression
  • Big bore sleeve
  • Top end gasket kit

  As with any engine or exhaust modification, you will need to re-tune your fuel delivery system for optimum performance.

Ships in 3-5 business days
$399.95

Raises compression from stock 9.5:1 to 10.5:1 for more power and snappier response. Highest quality Wiseco pistons are forged in the USA. Fits the standard size stock bore.

  As with any engine or exhaust modification, you will need to re-tune your fuel delivery system for optimum performance.

Ships in 3-5 business days
$182.95
Universal fit. May require additional adjustment or modification.

K&L® shims exceed the maximum of the Apparent Rockwell Hardness "C" scale. Shims average 47.0 compared to the 46.0 maximum.

These kits fit multiple brands and models, please verify correct size for your model before purchase.

13mm diameter - Includes two valve shims of each size 2.30, 2.40, 2.50, 2.55, 2.60, 2.70, 2.80, 2.90, 3.00 and 3.10.  In a shim box.

20 shims in total. From K&L.

KAWASAKI

Choose Shim Size
Ships same business day
$219.95
XT250 '08 - '25

The EBC DRC kit is the best way to reset your bike’s clutch to the exact as new standard sizing. Replacing just the plates can work but new clutch springs are always better and springs get tired and can cause slippage plus the separator steel plates from EBC are pin-planished, forming tiny indents in the steel which improves the spread of oil around the clutch surfaces.

Includes:

  • Friction plates with EBC unique alloy article impregnated clutch facings that wear longer and resists burning.
  • Pin planished steel intermediate plates.
  • New 10-15% uprated heavy-duty Clutch springs. 
Ships same business day
$116.95

Complete set of engine gaskets with oil seals.

  • '13-Current kit by Moose Racing
  • '08-'12 kit, genuine Yamaha parts
Choose Year
Add Gasket Remover
Please contact us for availability information
$119.95
XT250 '08 - '25

Complete top end gasket kit for the mighty XT250

  • High-tech materials provide unmatched reliability and performance
  • Rebuild the top end with total confidence as each set is designed for durability and accurate fit
  • Oil seals are genuine OEM replacement seals
  • Performance sets designed for a piston replacement
  • Includes every gasket, O-ring and seal required to rebuild a top end; valve seals, head, base, exhaust, tensioner, and other misc. gaskets and O-rings
  • Does not include formed rubber valve cover gasket
  • Formed valve cover gaskets are included in complete kit with oil seals
Ships in 3-5 business days
$54.95
XT250 '08 - '12

Genuine Yamaha replacement gaskets for your side covers.

Choose Gasket / Year
Please contact us for availability information
$13.95
XT250 '08 - '25

Here are the O-Rings you need when you perform an oil change. These go inside the oil filter housing cover.

Replacing these O-Rings regularly will help keep your engine from seeping oil.

Ships same business day
$16.95

Made from laser cut, medical grade, 304 stainless steel micronic filter cloth. This filter provides 200% more filter area than most other filters. Most high quality filters will pass particles in the 90 to 95 micron range, and some tested, as much as 300 microns. Sand is about 125 microns and a white blood cell approximately 25 microns. Scott's stainless filter catches items down to 35 microns "absolute". The pleat seam is welded, not glued like paper filters, increasing temperature resistance to 600 degrees F.

Ships same business day
$83.95

Providing unbeatable performance and exceptional value, Hiflofiltro is the best-selling brand of aftermarket filters for motorcycles, scooters, and ATVs worldwide. The filters are also supplied to original equipment manufacturers as well as private label brands.

Ships same business day
$22.95
XT250 '08 - '25

A 10-pack of drain plug sealing crush washers. Replace your sealing washer at every oil change to prevent a leak.

Ships same business day
$6.95
XT250 '08 - '25

Extra protection for your motor! Strong magnet at the end of the plug picks up metallic flakes in your oil, protecting your engine!

Ships same business day
$16.95
Universal fit. May require additional adjustment or modification.

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.

Fits 3/8" square drive and hex drive, 14mm, 16mm, 18mm, 21mm.

Choose Size
Ships same business day
$14.95
XT250 '08 - '25

E3 Resistor Spark Plugs

  • Unique electrode shape maximizes the power created by the spark plug – Diamond Fire technology
  • Electrode is a combination of performance and technology that results in an improved flame kernel shape
  • This flame front ignites the bulk air/fuel mixture faster, moves heat into the combustion chamber faster and creates a more localized pressure front for faster pressure rise during the cylinder power stroke
  • The result is more complete combustion and an improvement in engine performance
  • A truly premium performance plug
  • Sold individually, unless otherwise stated.
Add Anti-Seize
Ships same business day
$9.95
XT250 '08 - '25

Iridium spark plugs are made with premium quality materials.

Iridium plugs last longer than standard ones, meaning you won't have to replace them as often.

  • The ultimate in the evolution of spark plug technology and performance from an industry leader
  • The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode
  • Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
  • Metal shell plating has enhanced anti corrosion qualities

Sold individually, unless otherwise stated.

Add Anti-Seize
Ships same business day
$11.95
XT250 '08 - '25

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.

  • High-quality materials and superior construction for serious power and reliability
    • Pure alumina silicate ceramic insulator provides high strength and better heat transfer
    • Deep-seated copper core for a wider heat range
    • Nickel alloy tip for longer life
    • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Choosing the right high-quality plugs prevents fouling from running too cool and preignition from running too hot
  • NGK plugs available for almost every application and riding style
Add Anti-Seize
Ships same business day
$3.95

Genuine factory shop service and repair manual. This is the reference manual Yamaha dealers use in their service departments. It has all the necessary info to do any maintenance or repairs to your XT250.

Choose Year
Ships same business day
$89.95
Universal fit. May require additional adjustment or modification.
  • Contains degree wheel, standard unit indicator, adjustable magnetic stand, and three positive stops (10 mm, 12 mm and 14 mm threads)
  • Can be used to install and adjust timing of any cam
  • Wooden carrying case
Ships in 3-5 business days
$315.95
Universal fit. May require additional adjustment or modification.

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.

Ships same business day
$32.95
XT250 '08 - '25

Convenient tool to hold the clutch basket when servicing your clutch

Ships in 3-5 business days
$29.98
Universal fit. May require additional adjustment or modification.

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.

Backordered: Waiting for stock from suppliers to fulfill orders placed on or after July 2024
$112.95
Universal fit. May require additional adjustment or modification.

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.

Ships same business day
$13.95
Universal fit. May require additional adjustment or modification.

A 3-pack of easy to apply strips measure the temperature of engine, suspension, and radiator components. Temperature range 146° to 248°

Ships same business day
$14.95
Universal fit. May require additional adjustment or modification.

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.

Ships same business day
$5.95
XT250 '08 - '25

Kit includes feeler gauges and wrench.

Please contact us for availability information
$24.95
XT250 '08 - '25

A 'wrench style' tool to turn the 'square top' tappet screws. The wrench does a better job of holding the adjuster screw still while tightening the locknut. Slim and flat, this tool is easy to carry in a tool pack.

Ships same business day
$14.95
XT250 '08 - '25
  • Allows precise valve lash adjustment without disturbing the setting when the lock nut is fastened
  • Knurled knob on adjuster drivers ensure a precise and secure grip
  • Integrated repositionable wrench handle holds the lock nut while the drivers are used to loosen or tighten the valve adjustment screw

Set includes:

  • (1) 10mm steel socket wrench
  • (1) 3mm square tappet adjuster
Ships same business day
$34.95
Universal fit. May require additional adjustment or modification.
  • 26 straight blades
  • SAE and metric markings
  • Check for clearance on valves, ignition points etc.
  • Includes 26 blades varying in thickness from .0015"/.038 mm to .025"/.635 mm
Ships same business day
$12.95