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Showing posts with label tech. Show all posts
Showing posts with label tech. Show all posts

Mar 5, 2012

KTM 250SX Head Upgrade For The 2010 250XC

KTM has always been a company that has offered options and filled niches in the market. The 250XC is an off road oriented race bike while the 250SX is a Motocross bike.

Nov 21, 2011

Lift Handle 04-10 KTM 250XC

One of the issues with the 2004 to 2010 KTM XC's is the lack of a solid lift point on the rear of the bike. It is possible to lift with the fender,

Nov 5, 2011

2010 KTM 250 XC Overview, Impressions, Initial Tuning

I've never bought a new bike. I tend to like to tinker anyways and it hasn't been in the budget. We finally got to the point where we could justify it, and I finally was able to make myself buy an orange bike.

Jul 10, 2011

2-Stroke Pipe Repair

Dents in 2-stroke pipes not only look bad, but more importantly cause a decrease in power. Pipe manufacturers do a lot of R&D to make pipes that have certain power characteristics and power increases. Most of this has to do with the shape of the pipe.

May 19, 2011

Knobby Knife Real World Testing

Anyone who rides dirt bikes knows how hard it is to keep fresh rubber on your bike. That new tire performance doesn't last very long as the knobs quickly get rounded off.

Jan 22, 2011

DRZ/KLX 110 Rebuild Brand X Mini "Pit Bike", Custom DRZ 110

The moment you've all been waiting for, I'm positive. The big unveil! Here's where I'll break down what we started with, the details of the build, and the finished product.

Nov 11, 2010

Fork Seal, Oil and Bushing Replacement, Honda Dual Chamber Fork

Changing the oil an seals in your fork is not necessarily an easy job, but something you'll probably have to worry about sooner or later.

Oct 31, 2010

Jetting, Mikuni TMX S-7 Nozzle Swap, 2001 CR250

Although this was done on a 2001 CR250, the same basic principles apply to most carbuerated bikes.
In a previous post, "Carb Jetting Basics" I explained why jetting is important, what factors affect jetting, and how to do basic jetting adjustments. I also stated that in most cases

Aug 14, 2010

Graphics and Rear Shock Service, TTR-110, DRZ-110

I've had some time lately to do a little work on my bike, seeing as how I'm not riding it. In the process I ended up having some black background vinyl left. The boys were quick to find a use for it.

Jul 14, 2010

ASI Performance Dirt Bike Radiators And Silicone Hoses

When I took my little spill in the dunes a couple weeks ago my right radiator was damaged and started to leak. My right side had been damaged

Jun 4, 2010

Motion Pro Lite Loc Dirt Bike Rim Lock

A rim lock on a dirt bike does much the same thing as a bead lock would do on a 4x4. It holds the tire in place on the rim so it doesn't slide forward or back when throttle or brake is applied.

May 23, 2010

Factory Effex Gripper Seat Cover Install Honda CR250

A new seat cover is something that can go a long way in how a bike looks and feels. My stock cover was still in pretty good shape, but when a new grip seat cover is just $40,

Garmin e-trex Venture on Ram Short Arm Mount

I've always loved owning a GPS for the way they can navigate out on the trail. My old gps was good in it's day, but compared with today's technology it came up lacking.

May 10, 2010

Mini Buggy Muffler Upgrade

Time for a few more improvements on the mini buggy. The "muffler" we originally used was a little ratty sounding and to get more flow made it even more ratty.

Mar 25, 2010

Yamaha TTR110 Crankcase Vent Quick Fix

The Issue: The stock TTR110 routes the crankcase breather line into the air filter causing the airbox to be filled partially with oil

Mar 1, 2010

How To Break In A New 2-Stroke Top End

Doing a top end rebuild on a 2-stroke motorcycle is easy and fairly cheap to do, but if you skip the break in procedure your probably missing out on some of the performance gains.

Jan 23, 2010

Build Your Own Dirt Bike Tire Changing Stand

Changing a tire on a dirt bike isn't rocket science, but it can be a lot of work. A few of the right tools and a strong tire changing stand can make it much easier.

Jan 22, 2010

Swingarm Buddy Install, Chain Adjuster Bolt Repair

What do you do if you break your chain adjuster bolt off in your swingarm? The first thing I did was panic, then I tried an easy out. After that didn't work I had to temporarily

Jan 7, 2010

How To Change a Dirt Bike Tire, Easy? "Dunlop Method"

I absolutely do not look forward to changing tires on our dirt bikes. It takes a lot of strength and I usually end up bending over, changing the tire on the ground.

Jan 5, 2010

How To Rebuild a Dirt Bike Rear Shock, 2001 Honda CR250

The following was done on a 2001 CR250 although most bikes are very similar and the tips shown here can be applied to many bikes. The rear shock on a dirt bike is something that often gets neglected.

Jan 3, 2010

Top End Rebuild And VForce3 Reed Upgrade, 2001 CR250.

It was time for another fresh top end on my bike. I'm taking the opportunity to do check the health of the bike in other areas as well. The Boyesen reeds have done a fairly good job on the intake side of things,

Sep 24, 2009

Jetting a Suzuki DR-Z / KLX 110

re-jetting any dirt bike or any carbureted engine for that matter is critical to getting it to perform and it can be a very simple process if you know what you are looking for.

Sep 10, 2009

Clarke 3 Gallon Tank Install, Drawbacks And Benefits

When you own a motocross bike, you tend to be a little limited on the range that the gas tank will provide. This is fine if you tend to do short rides, ride at a track, and/or something similar where a large supply of gas is not needed on the bike itself.

Jul 19, 2009

Custom Off-Road Hitch Mounted Cargo Rack

With 3 growing kids cargo space is at a premium when we go tent camping in remote area's. I built this rack some time ago, but it has migrated from within the cage structure to where it is now as a hitch mounted rack.

Jun 28, 2009

VIAIR, Onboard Air Compressor, Trailer Install

Any time you travel on or off road, compressed air is a vital component. VIAIR, or "Vital Air" is a company that specializes in 12 volt, portable air systems. In the past we have relied primarily on smaller 12 volt portable air compressors

Jun 6, 2009

Mini Buggy Tire and Wheel Upgrade

Our "Terra Tamer" buggy was built by my wife and I in our garage a few years ago and it's been a great project and a blast to drive. We've made a view changes over the years making small design changes here and there

May 17, 2009

Pro Moto Billet Kickstand Review, 2001 CR 250

The Pro Moto Billet Kickstand is one of the best aftermarket kickstands on the market and the only option available for the 2001 CR250 aside from building your own, or modifying something else.

Jan 17, 2009

1998 KTM 50SX Dominator Clutch

Our KTM 50 was having problems getting power to the rear wheel. We knew that the clutch had been going for a while since we kept having to adjust it,

Dec 29, 2008

1998 KTM SX50 Clutch Rebuild

Here we go again! The other day when Owen took his bike out on the lawn we could tell there was something not right, so we tore into it to diagnose the problem. With the engine removed and the outer cover removed

Dec 20, 2008

CR250 Bottom End Rebuild, Before and After

Today is bitter/sweet, more sweet than bitter! The bike works great, but I really enjoyed this project and now it's done with nothing to do until I can ride again.

Dirt Bike Rear Wheel Spacer Upgrade, CR250

Don't do what I did! The last time I replaced my wheel bearings I overlooked the importance of the condition of the wheel spacers. I also did not realize how inexpensive

Dec 18, 2008

Swingarm Linkage and Upper Shock Bearings, CR250

I am getting tired of bearings! I'm sure many of you are getting tired of reading about bearings, has to be done. First get a socket to tap out the sleeve as shown below.

Dec 11, 2008

Replacing Dirt Bike Linkage Bearings, CR250

Moving on to the linkage bearings now. These are smaller than the swingarm bearings and therefore, a bit easier to pound out. It still helps a lot to heat the aluminum around the bearing and spray a little wd-40 to get them on their way.

Dec 10, 2008

Replacing Dirt Bike Swingarm Bearings, CR250

The first thing to do when replacing the swingarm bearings on a dirt bike is to obviously remove the swingarm and the old bearings. First, with the swingarm removed, use a long extension to tap out the sleeves.

Dec 6, 2008

Dirt Bike Bottom End Rebuild, Part 3, CR250

After removing the crank I could clearly see what was making all the noise. The bearing had actually come apart leaving pieces in the case.

Nov 8, 2008

Dirt Bike Bottom End Rebuild, CR250, Part 2

Rebuilding the bottom end of a bike is a big job, but having the right tools makes it a lot easier. The picture to the right are the specialty tools that I had to buy for the job. They include a case splitter, a clutch holding tool, flywheel puller, and a crank puller/installer tool.

Nov 4, 2008

Dirt Bike Bottom End Rebuild, CR250 2-Stroke, Part 1

My bike has been getting sick for a while now and on our last outing it got much worse. I know for sure that the right main seal and bearing are bad since I have been burning clutch/gear oil

Oct 2, 2008

"Trailgate" Dirt Bike Tailgate, Part 5

A few coats of paint and a simple latch system is all the tailgate needed to be finished. I had to make the latch much smaller than I wanted because of space constraints,

Sep 27, 2008

"Trailgate" Dirt Bike Tailgate, Part 4

Here is a picture of the almost completed tailgate. The combination of the lower load height, and step make it possible for me to load my bike on level ground without help from a second person and without hauling a bucket around to use as a step.

Sep 18, 2008

"Trailgate" Dirt Bike Tailgate, Part 3

In this part of the "trailgate" project I start on the two main hoops of the tailgate. I decided that I wanted the bends to be at a 45 degree angle instead of the 90 degrees on the Trailgate Tailgates.

Aug 28, 2008

"Trailgate" Dirt Bike Tailgate, Part 2

Here is the bed support/tie down rail that I built in part one as it installs into the bed. We drilled 5 holes into the bed and bolted it on. It will provide strength to the bed and a place to hold the front tires of 2 dirt bikes.

Aug 24, 2008

Dirt Bike Tie Down and "Trailgate", Part 1

I have been needing a better way to secure my bike/bikes in the bed of my truck for quite some time. As you can see from these pictures there are a few problems. First, the front lip of the bed is not strong enough so whenever a bike

Aug 13, 2008

How To Change a Dirt Bike Tire

First I remove the tire by removing the axle nut and tapping it out with a rubber mallet. If it's a little sticky like mine was, you'll need to get a punch to finish tapping it through.

Aug 6, 2008

Top End Rebuild, CR250 Dirt Bike

It's time for a new top end again. It's been a year or so since my last one and it was overdue again. It's recommended that you do your top end every 40 hours of run time, but

Jul 22, 2008

Sunline Vince V1 Break-Away Dirt Bike Lever

This sunline unbreakable clutch lever has been on back order for a couple months, but I guess good things come to those who wait. I was a little apprehensive about getting these because they are a brand new design from sunline

Jun 7, 2008

Sunline ARC Lever, ODI Grips For Dirt Bikes

I have had a lot of experience with broken levers and grips that don't hold up and slide around on the bar. This time I decided to try clamp-on grips by ODI and Sunline ARC break-away levers.

May 11, 2008

Goose Neck Trailer Hitch Conversion

I know this isn't the most exciting post in the world, but it may be useful to some nonetheless. When we bought our trailer it came with a strange looking inverted king pin hitch(strange to us).

May 5, 2008

2-Stroke Top End Rebuild Video, YouTube

Here is a chance for all you two stroke owners to rejoice! Rebuilding the top end can be done in an afternoon. This vid actually makes it look

May 3, 2008

Rekluse Auto Dirt Bike Clutch Installation, 2001 CR250

The z-Start Clutch is a retrofit automatic clutch for off-road motorcycles and ATVs. The Rekluse Clutch works using centrifugal force

Feb 1, 2008

Winter Dirt Bike Riding, Studded Tires/Track Conversions

After my relatively feeble attempt at winter dirt bike riding I started looking at different options to enhance the experience that I had. The riding that I did included basically 2 very different terrain challenges.