Same-day shipping cutoff: Noon Pacific Time

Our offices will be closed on Tuesday, December 24 and Wednesday, December 25 for Christmas. We will be back on Thursday, December 26. Happy Holidays!

XR250R: Engine

XR250R

Chain Size:                Front Sprocket:            Rear Sprocket:          Front Tire:                        Rear Tire:                        Spark Plug:
520x106 ('81) 13T 53T ('81) 3.00-21 ('81) 4.60-18 ('81) D8EA ('81)
520x106 ('82) 13T 53T ('82) 3.00-21 ('82) 5.10-17 ('82) DR8ESL ('82)
520x108 ('84-'85) 13T 50T ('84-'85) 3.00-21 ('84-'85) 4.60-17 ('84-'85) DPR9Z ('84-'85)
520x108 ('86-'95) 13T 48T ('86-'95) 80/100-21 ('86-'95) 110/100-18 ('86-'95) DPR9Z ('86-'95)
520x106 ('96-'04) 13T 48T ('96-'04) 80/100-21 ('96-'04) 100/100-18 ('96-'04) CR9EH-9 ('96-'04)

 

Engine

Stage 1: Excellent mid-range and top-end power increase. Uses stock valve springs and rockers.


Fitment Specs: Exhaust Lift: 8.7; Exhaust Duration at 1.00mm: 236°; Intake Lift: 9; Intake Duration at 1.00mm: 236°

Ships in 3-5 business days
$309.95
XR250R '86 - '95
  • Complete set of friction plates, steel plates, and springs
  • Heavy-duty springs help prevent clutch slip
  • Restores proper stack height, fixes clutch slip caused by wear and tear
Choose Year and Model
Please contact us for availability information
$84.95

Providing unbeatable performance and exceptional value, Hi-Flo is the best-selling brand of aftermarket filters for motorcycles, scooters, and ATVs worldwide.

Grab our 5-pack and save both time and money!

 

Ships same business day
$16.95
XR250R '96 - '04

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
XR250R '96 - '04

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
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

This high quality socket from Motion Pro, is specifically designed to reach into the very small, deep space where the spark plug of the XR hides.

Normal sockets simply won't work in this case.

Add Anti-Seize
Backordered: Waiting for stock from suppliers to fulfill orders placed on or after July 2024
$22.95

285cc big bore kit includes:

Wiseco piston 78.00/+5.00 10.5:1 (with rings, pin & clips): 

  • All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
  • Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today’s cylinder bore compositions
  • Wiseco’s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today’s market place.

HotCams stage 1 camshaft:

  • High-performance racing camshafts
  • Stage 1 performance camshafts are drop-in cams that are designed to be used with stock valve springs
  • In most applications, Stage 1 cams deliver more torque.

Complete top end gasket set:

  • High-tech materials provide unmatched reliability and performance
  • Rebuild the engine 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
  • High-compression kits use .012" thick base gaskets to raise compression
  • Cost-effective way to raise compression without expensive high-compression pistons or cylinder head work
  • All gaskets made in the U.S.A. 

This is a great combination and a big 'bang for the buck' performance increase. 

No re-sleeving required. You will have to have your cylinder bored to fit the larger piston.

Ships in 3-5 business days
$439.95
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
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.

Ships in 3-5 business days
$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 149° 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
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