Yamaha YZ250R- User Manual

Chapter I 3 Chapter 1 1.1 Clean Your Motorcycle Cleaning your motorcycle prior to performing any maintenance is a crucial step which must not be overlooked. Attempting to work on your YZ250 without following this step could result in major damages. Rinse, Wash, and Dry  First start by rinsing all l...

Title Of Manual 1.2 Clean Workspace Your workspace is an important environment which must be kept clean in order to work efficiently. Clear Debris  Clearing away any clutter is a necessary step prior to working on your motorcycle to help prevent you from losing any parts.  As displayed in the phot...

Chapter I 5 1.3 Prop Motorcycle on Stand To remove the front tire from your motorcycle you must first place the dirt bike onto its stand. Different Stands Available There are many different stands available:  Classic floor stand *  Foot Jack *  Motorcycle Jack *

Chapter II 9 Chapter 2 2.1 Loosen Fork Bolts Before removing the wheel from your YZ250 you must loosen the bolts squeezing the forks (front suspension) to the bolts. Tools Needed  Socket set  Procedures  First locate the 8mm socket and attach it to the wrench.  Find the two bolts located at the ...

Title Of Manual 2.2 Remove Axel and Wheel from Forks Warning: When removing the axel from the forks the wheel will drop directly toward the ground. This could cause injury. Be sure to remove any items away from under the wheel and if possible secure the wheel to keep it from falling. Tools Needed  ...

Chapter II 11 2.3 Remove Wheel from Forks After removing the axel from the forks the wheel will be released. In order to properly remove the wheel from the forks you should follow these steps: Remove Axle and Spacers Ensure the axle and spacers are completely removed from both front forks.  When re...

Title Of Manual 2.4 Remove Tire from Rim Warning! Removing the tire from the rim requires much strength and skill. Do not attempt to remove the tire without previous experience or help from a professional. Pinching may occur causing harm to you and or your tire. Tools and Supplies Needed  Tire Iron...

Title Of Manual 2.5 Inspection of Wheel Components The wheel components, inner tube, tire, and rim are all crucial parts that together help to maintain structural integrity of the dirt bike. It is vital that these parts be examined closely prior to reconstruction and before each ride. Inspection of ...

Chapter II 15 Inspecting the Rim  You should search for any signs of compromise in the rims structural integrity.  Things to look for:  Large indents where the rim and tire make contact  Deep scratches or server scuffing of rim  Rim that is warped, cracked, or missing spokes (such as in the pic...

Chapter III 19 Chapter 3 3.1 Replace Inner Tube into Tire Warning! Place inner tube inside of the tire prior to placing the tire on the rim. DO NOT place inner tube on rim and then attempt to replace the tire. This could result in the tube being pinched and torn.  Fill your inner tube with a small ...

Chapter III Title Of Manual  Dish Soap o  Bowl of Water o Procedures It is time to replace the tire onto its rim after placing the tube completely inside the tire (see previous section). • Socket Set o  Step1: Start by lubing the tire and rim with the soapy water to ease the process of replacing ...

Chapter III 21 3.3 Replace Wheel between Forks Replacing the wheel between the forks is a fairly simple process but must be done carefully as to not cause a malfunction later on. Tools Needed  Tire Iron o  Air Pump o  Step5: Turn the wheel over so that the disc break is now facing up.  Step6: Be...

Chapter III Title Of Manual Procedures The axle will need to be readily accessible when putting the front wheel back between the forks. 3.4 Tighten Fork Bolts By replacing the axle and keeping the wheel in place you will tighten the fork bolts completing the replacement procedures. Tools Needed  So...

Chapter IV 27 Chapter 4 4.1 Spin Test The spin test will tell you whether your front tire is off balance, the rim is bent, or if you reassembled something incorrectly. How to Perform the Spin Test o Spin the front tire to check for any problems that may exist.  Step1: To perform the test you must f...

Chapter IV Title Of Manual 4.2 Break Test The break test will assure you that your front break is in working order. How to Perform the Break Test  Step1: Start by performing the spin test o D  Step2: Grab the front break lever located on the right side of the handle bars.  Step3: Interpret result...

Chapter IV Title Of Manual How to Test PSI Testing the PSI of you dirt bike tire is very simple.  Step1: Remove valve cap from valve stem.  Step2: Firmly press your PSI gauge into the valve stem until the stick comes to a complete stop.  Step3: Interpret your results: o If your PSI gauge reads be...

Index 31 Works Cited "Adulting." Adulting . N.p., 12 Dec. 2011. Web. 20 Nov. 2012. <http://adultingblog.com/post/14152495690>. Hilderbrand, JC. "Dirt Bike Tire Change Guide." Motorcycle USA . N.p., 08 Apr. 2009. Web. 10 Nov. 2012. <http://www.motorcycle-usa.com/704/2863/Moto...