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F X S T E I N - Frankenstein's blog

FXSteins 21 Turbo Warrior FXSteins 21 Turbo Warrior Frankenstein's stories of big V-Twins.

The rides, the builds, what to do and what not, an evolution of my bikes. Go faster, faster, faster. What can a turbo do to you? Is there such a thing as too much power? What's technology have to do with this? Secret and not so secret mods. Express yourself: ... you make it your own ... sounds too familiar - as much as I like riding my bikes I like building and modding them.

You have come to the place where you find writeups about the most advanced Yamaha - Star Motorcycles Custom Metrics.

The all mighty Roadstar Warrior with its 102 ci/1700cc stock engine, the all new Roadliner and Stratoliner with 113ci/1900cc all the way to custom turbos and NOS installations.

Disclaimer: This blog is for entertainment purposes only. Claims made in here are my personal views. I take no responsibility if you choose to perform some of the modifications listed on this site. Be aware that changes to a motorcycle can be illegal and might result in fines. If not performed by an expert, modifications can result in damage to your vehicle and can cause accidents and potentially lead to live threatening situation. Be sure YOU know what YOU are doing.
www.fxstein.com | Blog | Albums

THE countdown is on!

admin | 26 May, 2008 01:43

Less than 10 days before the new Max will hit the streets!

Go check it out!

www.starVmax.com


RS Warrior , MT Series , General , Starliner , Technology , VMax :: Comment (0) :: Permalink :: Trackbacks (0)

Upgrading an RS Warrior front brake system

admin | 18 March, 2008 23:13

Fxstein's Warrior R1 radial Master CylinderFor years I have not been too happy with my front brakes on the custom Yamaha Roadstar Warrior Turbo 21 of mine. Especially after chroming the master cylinder and reservoir of the front brake system, braking power was very washy and would fade quickly.

Very hard stops where virtually impossible. Even the Galfer front rotors could not get the brake to bite.

I was pretty sure for a while that the root cause was the chroming of the piston housing that messed up the master piston slightly. Bet even on a stock Warrior the front brake could use a little more bite.

 (Click here for the entire article)

RS Warrior , Technology , VMax :: Comment (5) :: Permalink :: Trackbacks (0)

Turbo 21 on New Camera

admin | 10 March, 2008 00:44

Time to get a decent camera kit for my bikes. Got myself a kit form www.HelmetCamera.com

Took the Turbo on a spin through town on this beautiful spring day here in Northern California. Enjoy the little movie!

Ride safe!


RS Warrior , General , Technology :: Comment (3) :: Permalink :: Trackbacks (0)

Perfect Custom Fuel Maps for the Roadliner available for download

admin | 16 April, 2007 08:00

As I am putting on the finishing touches on Part 2 of the Custom Fuel Map series I went ahead and did another Perfect PCIII USB map for the Roadliner/Stratoliner OEM exhaust. There is also a map for the Cobras staggered. You can find both maps for download in the Albums section of the site or follow this link: Perfect Custom Fuel Maps

Enjoy and ride safe!


Starliner , Technology :: Comment (30) :: Permalink :: Trackbacks (0)

Upgrading the Roadliner Stratoliner Clutch for Some Serious Power

admin | 21 January, 2007 17:01

The OEM clutch assembly for the Yamaha Roadliner and Stratoliner

Most of you know that I have been looking for a serious clutch upgrade ever since the FXLiner got its wet Nitrous system installed. The bike's OEM clutch did not take the 50 extra rear wheel ponies that easy. Especially in 3rd and up clutch slippage was extreme to the point where the engine would redline within a second of hitting the shot - far before the acceleration has had a chance to actually move the bike that fast.

Soon after my failed attempt multiple individuals pointed out a good old trick from other bikes that have gone serious power upgrades. Yeah - thats the one I refused to even try to begin with. Well not really but in order to try it out you too have to order parts and I felt it was not worth it.

 (Click here for the entire article)

Starliner , Technology :: Comment (3) :: Permalink :: Trackbacks (0)

The Perfect Custom Fuel Map - PART 1

admin | 24 October, 2006 21:28

Frankenstein's fuel map tuning dashboard for the perfect custom map

A little theory of Fuel Injection

Today's fuel injected motorcycles demand different attention to details than previous generation carburated engines. There are several fuel injection setups available across different manufacturers. Tougher and tougher emission regulations are pretty much demanding fuel injected, O2 sensor controlled configurations.

O2 sensors are used to monitor the Air Fuel ratio (AF ratio) of the engine. Why is the AF ratio an important measurement/factor for the operation of an engine?

The AF ratio represents the mixture between air and fuel. For gasoline operated engines the optimal fuel efficiency AF ratio is 14.7:1 - thats 14.7 parts of air and 1 part of gasoline/fuel. Most modern engines however produce maximum power at 13.2:1. So what's the deal with these metrics?

 (Click here for the entire article)

RS Warrior , MT Series , Starliner , Technology :: Comment (5) :: Permalink :: Trackbacks (0)
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