The motorcyle page of Blaine Hoopes

Motorcycles

My Bikes

1994 Yamaha Seca II Budget Sport Tourer with lots of potential
1980 Yamaha XS11 Yamaha's legendary XS 1100 awaiting some cleanup and restoration
1981 Yamaha Maxim 650 A very "clean one owner" garaged and rarely ridden (until I found it that is)
Three crusty 650's as a winter project Three Yamaha 650's in various stages of disrepair
1975 Honda 350 with full Avon fairing Old pictures of a bike I no longer own with a unique fairing

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List Member's Bikes

Pictures of Big Cottonwood Canyon, Guardsman Pass, Uintas
Barry's XS650 pretty cool lookin'
Bob's XS650 Bob Scogin's XS650 project combining British Cafe Racer with a taste of Street Tracker
Bob's Hardtail Project Bob's XS650 hardtail project from the drawing board to mock up to??
Barry's Hardtail Underpowered but pretty cool
Buster's 650 project
Ian's XS650 featuring the Hoyt 9000 header
West Coast Gathering 1999 riders from 5 different states meet in Hilgard park near La Grande, Oregon
Larry's XS650 Larry Pease's '78 powdercoated and awaiting an engine
James' XS650 James Krehmke's XS650SJ
Bob Villa's XS650 You know, Bob Villa from "this old house"

Tech Articles

How to get your Seca II to perform! Cheap and easy cure for the low power blues.
Cure for Road Rash I hope you never need to use this information
Shaking forces of twin engines Animated diagrams of forces in various twin engine designs
Countersteering Keith Code explains countersteering
Calculate Rake & Trail - simple Excel spreadsheet - input tire radius, fork offset and head angle
CV Carb tuning
CV Slide modifications Not for the squeemish!
Bypass your Reserve Lighting Unit If this unit fails you have no headlights at all - here's how to bypass it.
XS650 with Clutch Cover Off Some people have had problems getting the kickstart to work after working in here
XS650 FAQ a work in progress, submit questions and/or answers to me and I'll add them
Turn Signals how to fix Yamaha's auto cancelling turn signals
How to use Kreem a post from Bill Denton on proper tank prep and application
How to remove Kreem by Sid Hansen - some people have had Kreem disolve from fuel additives and ruin their carbs
270 degree crank phasing in a vertical twin Article assembled from various email's from Bill Denton to the Yamaha 650 list
TRX with 270 degree crank Cycle World review of the 270 degree Yamaha TRX850
270 degree torque graph Comparison of torque curves between 270 and 360 degree twins.
Exhaust Physics Discussion of flow, scavanging and pulses in motorcycle exhaust systems.
Building a better twin Article by Joe Minton from Motorcyclist magazine, 1981
Bob Scogin's XS650 oil cooler pics Ever wonder how to add an oil cooler to an XS650? Here's how
Oil Screen patch How to patch the oil screen on an XS650
Head Porting Porting techniques - article is about a Chrysler but most of it applies to porting in general
Tkat Fork Brace Measurements needed for Tkat to fabricate a fork brace for your bike
Fix for leaky gascaps Easy and cheap replacement for gascap gasket on Yamaha XS motorcycles
XS11 Carb FAQ Specifically XS11 carbs but some will apply to newer XS650 carbs
XS650 Clutch Rod Oil Seal How to replace that leaky oil seal without spliting the cases
XS11 float level adjustment From the factory service manual on adjusting floats using a clear hose to view fuel level.
Carb Sync for CV Carbs The method I use to sync my CV carbs on XS11 or XS650

Sillyness - I mean Silliness - Well Silly Stuff, you know what I mean

Flat Tire Story Bob Ellis related this very funny story in a post to the YAM650 list
How to use your tools properly
No smoking true or urban legend?
Lessons Learned true story, and important things to know

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