- Non-model Specific -
Intended for 85-87 & 91-98 XR600R and 93-98 XR650L with a WB E-series
exhaust system. May be helpful for other disc systems too. -White Bros
Exhaust dB levels for Honda dirt bikes with various aftermarket exhaust
systems. Go to CA St Parks OHMV Rec Div
Website for latest edition. -John Franger
Install a keyed ignition switch on a dirt bike that did not already
have one. -b_king
SAE Standard test procedure, environment and instruments for determining
sound levels. -SAE
Is your XR or XL fork and shock sprung correctly for your weight and
riding style? It makes all the difference in the world!
- CRF450X -
- XR100R -
After reading 4Strokes.com, I decided to volunteer mods I did on my
6yr old son's '00 XR100R. Cost was about $10 just for carb jets. -Greg
- XR200 -
I just bought a 1983 XR200 as a 2nd bike and did these mods to increase
performance. -Stuart Watson
- XR200R -
Submitted by Jared (Jayrod1318)
Submitted by Jared (Jayrod1318)
Here is what I did to get the best performing dampening rod-type forks
that I have ever had. -NOS & Doug
Install an aftermarket headlight and taillight on the XR200R that did
not come with lights. -4Strokes.com
The most impressive mod I did to my 1990 XR200R was adapting a Kawasaki
- XR400R Continued -
Add an aftermarket brake light to your XR400R. Two submissions.
As delivered, with exhaust baffle and noise suppressor, your XR400R
may be jetted rich. -4Strokes.com
Adapt a CRF450 clutch with perch hot start lever to your XR400R. -Brad
Automatic decompression is interlocked with the XR400R cam to make starting
How to check and how to change engine oil in the XR400R.
Pictures taken during the rebuild of an XR400R motor. -ThumperTDC
HP and Torque for stock and aftermarket XR400R exhaust systems. -Jack
High speed compression, like when riding over rocks, was much improved.
Complete inverted fork mod with Race Tech Gold Valves on an XR400R.
Cycra CRF450R half-vented front number-plate in place of stock XR400R
Carb jetting, exhaust baffle mod, header weld grind, intake uncork,
etc. Must do mods for the Honda XR400R. -Gordon Banks
Clean mod when replacing stock hand guards with bar-mount style. -4Strokes.com
5 pages of setup and mods for the 1996, 1997 and 1998 Honda XR400R.
I have had my XR400R for nearly 4 years now and after all this time
I'm still not ready to part with it.
Adapting XR650L passenger foot pegs to the XR400R. -Robb N
- XR650L Continued -
I took off the entire battery, trashed the bracket, and built a different one.
XR650L battery and electrical relocation mod.
Build your own extended fuel mixture screw out of an inexpensive valve
stem cap. -Brian Farewell
XR650L Keihin 42.5mm diaphragm CV carb mods by Dave Closs and Brian
Replacing the drive chain guide rub block with chain rollers.
Easy 30-minute mod to make your Clarke gas tank rock solid. -Forum members
Esthetic changes through model years 1993-2000. -xr250rguy
Replace the stock XR650L exhaust baffle with a larger baffle from the
Honda ATC 250R. -kubiak
Factory XR400R frame oil cooler adapted to the XR650L.
Aftermarket Lockhart oil cooler grafted into the XR650L air scoops.
Why pay $20.00 for a special "man" funnel when you can make
one for less than $2.00? -KingTutt
Aftermarket Polisport CRF450 rear fender and taillight adapted to the
Complete XR650L smog removal procedure with photos. -Gary Crawford
How to uncork and remove smog equipment ib a 2003 XR650L. -Kyle Swanson
Carb vacuum ports to block off when removing smog equipment from an
XR650L. -Mike Tuttle