LAST UPDATED 9/9/02

TECH TIPS for YSRs and other brands

PART DIAGRAMS AND PART NUMBERS (thanks to a Riva Yamaha for this info at www.rivayamaha.com)

http://www.geocities.com/eddie_reyes/ysrschematicsandpartnumbers.html

About everything:

Eric Gorr’s website is the most comprehensive site I found about two-stroke motors

http://www.eric-gorr.com

HOW DO TWO STROKE ENGINES WORK? (this kewl site has a flash animated two stroke engine)

http://w3.one.net/~jschust/animations.html

Team Calamari’s Tech Tips

http://www.teamcalamari.com/dox/tekindex.html

Wings Max Power Tech Tips

http://www.wingsmaxpower.com/html/tips.html

1000 Frequently Asked Questions

http://www.ysrracing.com/faq.htm

Tips from Rik and Erin (building a YSR50 racer)

http://www.softcom.net/users/magers/html/stock_ysr.html

Vinny’s Performance (YSR & Mini Roadracing Servicies)

http://hometown.aol.com/vinnyevans/index.html

Carburetor Tips:

Motorcycle Carburetor Theory 101 (pictures and everything)

http://www.motocross.com/motoprof/moto/mcycle/carb101/carb101.html

Eric Gorr’s Carburetor Tuning

http://www.eric-gorr.com/techarticles/carbtuning.html

Engine Tips:

Eric Gorr’s Piston Guide

http://www.eric-gorr.com/techarticles/pistondiaguide_ta.html

Twostroke Tuning (American Roadracing circa. oct 1994)

http://www.hardlink.com/~mikep/two-stroke.htm

Jetting Flow Chart

http://members.aol.com/putreska/jetting.gif

Sparkplug Info (read your plug & avoid costly problems):

NGK Sparkplug Guide (color guide & tech info)

http://www.ngksparkplugs.com/techinfo/spark_plugs/faq/faqread2.asp

http://www.ngksparkplugs.com/techinfo/spark_plugs/

Eric Gorr’s Sparkplug Guide

http://www.eric-gorr.com/techarticles/sparkplugs.html

TUNING SHOPS, RACING GEAR & ACCESSORIES

MY SPONSOR: Lockhart Phillips Racing

http://www.lockhartphillipsusa.com/MENU.html

(And the others…… who one day may be a sponsor)

YSR PEEPS

TEAM CALAMARI (engine work/parts ordered before noon can be shipped the same day, thanks)

http://www.teamcalamari.com

MOTOMORPHIC (Need one off custom parts? Check with one of the owners Jim Davis who races YSRs with us at Prairie City)

http://www.motomorphic.com

Wings Max Power (engine work/trick parts/you name it/ Ask Jerry Johnson who holds #1 plate for GSMRRA)

http://www.wingsmaxpower.com

MiniMoto Madness

http://www.minimotomadness.com

Works Performance (another aftermarket supplier of rear suspension for YSRs)

http://www.worksperformance.com

PROFLOW (YSR aftermarket goodies)

http://208.56.4.166/proflo_ysr_50_products.htm

PIPE

http://www.pro-flo.com/proflo_ysr50_pipes.htm

TOOMEY RACING USA

http://www.toomey.com/html/doc.htm

PIPE

http://www.toomey.com/html/ysr-pipe.htm

CLUTCH

http://www.toomey.com/html/ysr-clutch.htm

SPECII (YSR aftermarket goodies)

http://www.specii.com/ysr.html

Vinny Evans (YSR parts/ engine work)

http://hometown.aol.com/vinnyevans/

Home of the $200 YSR Bodywork and chromed YSR aftermarket pipes (NEW R1 style)

http://www.ysr50.com

FAST RICE RACING YSR Bodywork (I don’t know too much about this guys bodywork)

http://www.fastriceracing.com/ysr_bodywork.htm

FIND A REPAIR MANUAL FOR YOUR SCOOT HERE

http://www.repairmanual.com/

JC WHITNEY YSR BATTERY LINK

http://www.jcwhitney.com/product.jhtml?CATID=77787&BQ=mot&_requestid=59366

JC WHITNEY MC PARTS SITE

http://www.jcwhitney.com

GP STATION (TRICK OUT that newly acquired bodywork and paint job with your own design or factory stickers)

http://www.gpstation.com

Sponsorship w/GP STATION hahaha… no really. And stickers add at least 1 or 2 HP.

http://www.gpstation.com/sponsorship_program.htm

POWER SPORTS PRO (I found cheap yamalube here…Let’s buy in bulk. E-mail me.)

http://www.powersportspro.com/

HI PERFORM (imports 2 stroke exotics)

http://www.hiperform.com/racebikes.htm

RS Cycles (Place that sells that hard to fined imported 50 & 80 cc two stroke bikes)

http://www.rscycles.com/50cc.htm

World Motors USA (street/racing gear, & Alan knows where to find grey market bike parts too)

http://www.wmusa.com/

MAW Motorcycle Accessory Warehouse

http://www.accwhse.com/

BBXTR (a European Co in America that sells various MC aftermarket stuff--including NC30 slip-ons)

http://www.bbxtr.com/

GFORCE PERFORMANCE PARTS FOR THE VFR

http://www.g-force1.com/

RACE PRODUCTS (NC30 stuff)

http://raceproducts.co.uk/

HARDRACING

http://www.hardracing.com/Home.htm

SPROCKET SPECIALIST (fast shipper and got the right ones for the VULCAN)

http://www.sprocketspecialists.com/

MOTORCYCLE-SUPERSTORE

http://www.motorcycle-superstore.com

TIRES UNLIMITED (1-800-MCTIRES) I got a good deal on a set of Dunlup Cruisemax Tires for the Vulcan

http://www.tiresunlimited.com/default.htm

LEATHER PEEPS:

New Enough (cheap stuff & used stuff for sale too)

http://www.newenough.com

Helimot European Accessories (custom made leathers and imported European protective gear)

http://www.helimot.com/index.shtml

SUSPENSION PEEPS:

PENSKE SHOCK

http://www.penskeshocks.com

(TECH MANUAL)

http://www.penskeshocks.com/8900%20Motorcycle%20Manual.pdf

FOX SUSPENSION

http://www.foxracingshox.com/praise/html/praise.html

LE SUSPENSION

http://www.le-suspension.com/2001cLECatalog.pdf

BUYING A YSR?:

YSR Classifieds

http://members.boardhost.com/ysr50/

CRAIGSLIST (free online classifieds)

http://www.craigslist.org/

EBAY (and who can forget Ebay- always a good place to go for parts)

http://www.ebay.com/