ttr250.com
Fitting a new tyre
http://www.ttr250.com/Fitting_Tyre/Tyre_fitting.htm
Fitting a new tyre. Not the usual way to do it! This is an alternative method as demonstrated to a group of riders by Paul Studley at a Devon TRF Group Sharing Knowledge day. Three tyre levers, a file, small screwdriver and perhaps a rubber mallet. Inner rube, old inner tube, duct tape, and waterproof grease. Taking the tyre off completely enables it to be properly checked for thorns, nails, etc. and also makes the whole replacing/repairing tube business a lot easier. You start with this:. But, that is j...
ttr250.com
Retrofitting a kickstart to a Yamaha TTR250
http://ttr250.com/TTR_retrofitting_kickstart.htm
Retrofitting a kickstart to a Yamaha TTR250. The blue TTRs in the UK are all dual start with electric and kick starters. Some of the white TTRs came with a kickstart fitted, presumably an optional extra when new or a kickstart kit (expensive! Fitted in later life. However, all non-kickstart TTRs all have the machinings and provision to retrofit a kickstart. A socket set, torque wrench and hex-sockets. Second-hand kickstart mechanism plus kickstart spring retaining pin ( part number 55V1566800. Before you...
ttr250.com
Replacing a sprag clutch on a Yamaha TTR250
http://www.ttr250.com/Sprag_replacement/TTR_sprag_replacement.htm
Replacing a sprag clutch on a Yamaha TTR250. It's a pretty simple operation. Just follow this step by step pictorial guide. Socket set, Allen socket, big plain screwdriver and torque wrench. It would be preferable to have a flywheel puller. And holder but if that isn't available the rear axle can be used instead. Sprag clutch Part # 4GY-15590-00-00. And possibly generator cover gasket Part # 4GY-15451-00-00. The sprag on this TTR was making a horrible bang on switch off and was in dire need of replacement.
ttr250.com
Replacing the rear brake pads on a Yamaha TTR250
http://www.ttr250.com/TTR_rear_discpads.htm
Replacing the rear brake pads on a Yamaha TTR250. It's a pretty simple operation. Just follow this step by step pictorial guide. Wheel-nut spanner (24mm), plain screwdriver, wire brush, and 5mm hex socket/tool. Brake pads (I use sintered pads which give longer life - see here. And Copper Slip grease. Clear a space and get the bike up on a stand with the back wheel able to spin freely. The old pads should just drop out at this stage. Clean out any mud or debris that might have built up in the caliper ...
ttr250.com
Fitting a new oil plug
http://www.ttr250.com/Replacing_cylinder_head_oil_plug/TTR_oil_plug.htm
Fitting a replacement oil plug in the cylinder head. It is surprising how often these little blighters leak and start to make a mess of your engine. Their function is to blank off the hole that would otherwise be occupied by a de-compressor mechanism. The picture below shows a decompressor fitted and I have arrowed where the cable would have attached. Plain screwdriver and a large pair of pliers. New plug - p/n 90338-18067. Which looks like this:. Old and new plugs:. Brian Sussex, Devon, UK. Reference wi...
ttr250.com
Fitting a new oil plug
http://www.ttr250.com/Swingarm_bearing_replacement/Swingarm_bearings.htm
Replacing swing arm bearings and seals. Play in the swing arm bearings is not only a sure fire MOT failure but also ruins the handling on the TTR so, if you detect play it's time to replace them! Plain screwdriver, hammer, drift, socket set and/or range of spanners. A blow torch or hot air gun might also be useful. New swing arm bearing and seal kit - see here. Which looks like this:. This is what a repaired swing arm might look like:. It will help if you can get the swing arm hot before tackling the bea...
ttr250.com
Replacing the bottom shock bearing on a Yamaha TTR250
http://www.ttr250.com/TTR_shock_brg.htm
Replacing the bottom shock bearing on a Yamaha TTR250. I did this with the suspension relay arm still in place and can't make up my mind as to whether to do it this way again or next time take it out and do it on the bench! This job ranks in the slightly more difficult category but is well within the capabilities of someone with patience! Just follow this step by step pictorial guide. All Balls kit ref 17-8613 - available from Totally TTRs. The All Balls kit with all you need to do the job. Someone else ...
ttr250.com
TTR250 extras
http://www.ttr250.com/TTR250_brake_slide_pins_and_rubbers.htm
TTR250 Brake slide pins and rubbers. Parts for Front Brake. 1 off 1UY-25937-51 Rubber (small pin). 1 off 3JD-25926-00 Pin (small). Parts for Rear Brake:. 1 off 3JD-25917-00 Rubber (large pin). Repair kits are available from Totally TTRs - click here. Http:/ www.totallyttrs.com/. Everything you need (possibly! Http:/ www.ttr250.com/TTR extras/. Little extras for your TTR250. Http:/ www.ttr250.com/. All you ever wanted to know about TTR250s. Http:/ ttr250.activeboard.com/. The forum for TTR250 owners.
ttr250.com
Removing and replacing a cylinder head on a Yamaha TTR250
http://www.ttr250.com/Removing_Cylinder_Head/TTR_head_removal.htm
Removing and replacing a cylinder head on a Yamaha TTR250. There is quite a lot of work involved and it is essential that you have the workshop manual to hand for full details of the procedures, torque settings, etc. However, the manual expects you to be removing and replacing the cylinder head as part of a full strip down and that is not always going to be the case. This pictorial guide assumes you ONLY want to deal with the cylinder head and is just to help you along the way. Head and base gasket set.
ttr250.com
Replacing a rear wheel bearing o
http://www.ttr250.com/Wheel_bearing_replacement/TTR_wheel_bearing.htm
Replacing a rear wheel bearing on a Yamaha TTR250. It's a pretty simple operation. Just follow this step by step pictorial guide. Wheel-nut spanner (24mm), plain screwdriver, 32mm socket or similar diameter item, drift with good edge, wire brush, piece of wood and a hammer. 60/22 2RS bearing, oil seal size 28x47x7, grease. Clear a space and get the bike up on a stand with the back wheel able to spin freely. If the axle hasn't been out for a while you may need to drift it out with a hammer and block of wo...
