Thumper Resources

The purpose of this page is to provide information about various sources of thumper related parts and services. Please feel free to e-mail additions or corrections to the list but please restrict information to thumper related parts and services only.

Services (U.S.) New Parts and Accessories (U.S.) New Parts and Accessories (Outside the U.S.) Used Bikes, Parts and Accessories (U.S.) Reference Books

Note: Since this is a non-commercial website I cannot accept advertising, so please limit any info you send to name, brief description, mailing address, phone numbers and www address if available.

Thanks to everyone who has sent in information!

CHR Racing Products
Email: JEFFFREDENBURG@aol.com
Web: http://www.chrracingproducts.com/
Cylinder head porting and machining. (4 stroke engine models only).

Callahan's Performance ATV and Off Road Cycle
4019 Hwy 378
Conway, SC 29527
Phone: (843) 397-1073
Email: derek1@sccoast.net

Precision Powersports
( Specialists in motocross oriented performance modifications for YZ400 engines and suspension. Accessories, apparel and parts for all makes and models. )
14493 South Padre Island Drive
Suite 274
Corpus Christi, TX 78418
Phone: (361) 949-6878
Fax: (361) 949-6879
Email: BTSV@aol.com
Web page: http://precisionpowersports.com

Wheelcraft
( Precision Motorcyle Wheels for Road & Track )
1959 W Winton Avenue
Hayward, CA 94545
Phone: (510) 785-0690
Fax: (510) 785-0690
Email: MSzura8027@aol.com
Web page: http://www.wheel-craft.qpg.com/

Minitrails.Com
( Parts and service for Honda mini-thumpers such as Z50s and CT70s )
1011 W. Cumberland St.
Allentown, PA 18103
Phone: (610)435-2500
Fax: (610) 435-3599
E-Mail: Z50parts@aol.com
Web page: http://www.minitrails.com

Best MC Repair
( All machine shop services, gas & electric welding, performance 2S/4S top ends, crank building, presswork, big-bore & re-sleeved cylinders, specialist in frame/suspension construction & mods. 33 years experience. Faster dirt/asphalt laps or your money back. )
O. Hoyt McKagen
3676 Old Creek Road
Blacksburg Virginia 24060
Phone (540) 552 0722
Email: batwings@i-plus.net
Web page: http://www.freeyellow.com/members/batwings/best.html

Suzuki DR Suspensions
( Upgrades and modifications for Suzuki DR's and DRS's; home of The Kouba Link. )
Phone/Fax: (208) 939-3753
Web page: http://www.geocities.com/motorcity/2299

Engine Dynamics Company, LLC
( Porting, high performance machine work, a 591cc kit for 500cc Hondas, and more. )
1010 Lakeville Street
Petaluma, CA 94952
Phone (707)763-7519
Fax (707)763-3759
Web page: http://www.enginedynamics.com

Performance Coatings
( Ceramic header coating, dry film lubricants, and thermal control coatings. )
60 - 37th Street NE
Auburn, WA 98002-1716
Phone (253) 735-1919
Web page: http://www.performancecoatings.com

Bare Bones Machine
( Specializing in racing singles. Builders of Rotax-powered TZ250s. Racing Engines, custom modifications and constructions. )
816 Park Drive
Woodland Park, Colorado 80863
Phone (719) 687-0431
FAX (719) 687-6533
Norm Lastovica
Email: nlastovi@us.oracle.com
Web page: http://www.barebones.net

Motion Sports
( Specializes in building single cylinder engines for race or street applications, also does suspension tuning. )
Castro Vally, CA
Jeff Jones
Phone (510) 889-0766

Hanson Racing Technology
( Cylinder heads, crankshaft rebuilding/lightening/balancing, exhaust systems etc for dirt, street and track. Honda, Husqvarna/Husaberg, Rotax and Yamaha thumpers of all sizes. 30 years of experience )
Craig Hanson
4950 Cohasset Rd. #4
Chico, CA 95973-9000
Phone (530) 342-8049

Bikeworx
( MuZ Skorpion Perf. upgrades, head work, etc. Other Makes/Models? )
Galen Miller
20 Main Street
Maynard, MA 01754
Phone (508) 897-0044
Phone 1-888-BIKWORX (toll-free)
Web page: http://www.wwz.com/bikeworx

R.L. Custom Mechanical Services
( Cylinder head work )
Randy Long
Rd 1, Box 685-K
Honey Brook, PA 19344
Phone (215) 286-5870

Spectrum Powder Coating
2694 Middlefield Rd., Unit A
Redwood City, CA 94063
Phone (415) 367-4940

Cope Racing Inc
( Engine builder, performance parts and accessories distributor for drag racing, road racing, street bikes )
4935 Kim Lane
Fort Myers FL 33905
Phone 1-800-372-1119
Phone (941) 332-1616
FAX (941) 332-8787
Web page: http://www.coperacing.com/

Darcy Racing Specialties
( Complete engine building, Rotax SoS )
?
?
Phone (817) 834-7223

Thumper Racing Inc.
( Offroad performance parts, big bore kits, etc. XRs, DRs, KLXs and others. )
3441 US Hwy 59 N.
Marshall,TX. 75670
Phone (903) 938-0570
Phone 1-800-259-5186
Web Page: http://www.thumperracingusa.com and http://www.thumper-racing.net

Extrude Hone
( Abrasive flow machining )
8800 E. Somerset Blvd.
Paramount, CA 90723
Phone (310) 531-2976

Luttig Performance
( General motorcycle & atv performance tuning )
4691 Arrow Highway, Unit D
Montclair, CA 91763
Phone (909) 625-8031

Ron Wood Racing Products
( Rotax racing machines )
755 West 17th St., Unit D
Costa Mesa, CA 92627
Phone (714) 645-0393
Web page: http://www.rotax.net

Race Tech
( suspension experts )
Address ?
Phone ?
Web page: http://www.race-tech.com

Motorcycle Accessory Warehouse
( Hi-Per Sports & American Motorcycle Accessory Warehouse! )
5555 Glenwood Street Boise, ID 83714
Phone: 800-241-2222
Web page: http://www.mawonline.com/

DRS Cycle
( Royal Enfield modern Bullet Parts. Many hard to find cables for Japanese bikes )
516 North Ninth St.
Goshen , IN 46528
Phone: 1-800-929-5682 (orders )
Phone: (219) 534-4532 FX & Tech
Email cyclenut@npcc.net
Web page: http://www.royalenfielddrscycle.com

Barker's Bars and Brackets
( Clip-on handle bars, titanium connecting rods for Honda and Yamaha singles and custom made road racing exhaust systems. )
130 Harsen Road
Lapeer, MI 48446
Phone: (810) 658-0052
Email: BarkerBolt@aol.com

AA Direct Line
( We sell all types of parts and offer the major tire brands at big discounts )
Hal Greenlee
AA Direct Line
2593 Griffin Road
Fort Lauderdale, FL 33312
Phone: (954) 964-4100
Email: info@aadirectline.com

Cycle By-Cycle Carriers
( Bicycle Carrier Systems for Motorcycles )
1440 1/2 NE 7th ST.
Bend, Oregon 97701
Phone (541) 383-3845
Web page: http://members.aol.com/MSchue5938/mschuette.html

Moto International
( MuZ performance parts & accesories, exhaust & intake systems, bodywork, wheels & brakes, suspension upgrades all for MuZ skorpions , catalog available )
2730 1 st. ave. S.
Seattle,Wa. 98134
Phone (206) 622-7843
FAX (206) 622-5362
1-800-949-6686 order line
(206)622-7843 tech. line
Email: motointl@aol.com

Summers Racing Components Inc.
( XR, DR, KDX, KTM, and Husaberg )
P.O. Box 93
Petersburg, Ky 41080

Estepp's Performance Parts
(Dealer for White Brothers, Thumper-Racing, Lockhart-Phillips; Carbs, Exhaust, Steering Dampers etc.)
Web page: www.fastone.com/Estepp/Estepp.html

Mark Apland's Thumper Stuff
( Performance street thumper parts and service for SR, SRX, FT, GB and others
formerly Ernie Cuff's, formerly Denny Berg's )
PO Box 1357
Snohomish, WA 98291
phone: ( 360 )563-0376
Email: meapland@premier1.net
Web page: http://www.thumperstuff.com
Is there a new webpage?

Novella Ltd.
( Distributor of Raask rearsets and clip-ons, all makes & models )
P.O. Box 947 Palatine, IL 90078
Phone (708) 359-2666
FAX 1-800-838-3311

White Bros.
( Performance dirt/street parts and service for all makes & models )
24845 Corbit Place
Yorba Linda, CA 92687
Phone (714) 692-3404
FAX (714) 692-3409
Web page: http://www.whitebros.com

Chaparral Cycle Supply
( Performance dirt/street parts and service for all makes & models )
555 South "H" Street
San bernardino, CA 92410
Phone 1-800-841-2960

Competition Accessories
( Performance dirt/street parts and service for all makes & models )
345 West Leffel Lane
Springfield, Ohio 45506
Phone 1-800-543-5139

Accessory Warehouse
925 E. Fillmore
Colorado Springs, CO 80907
Phone 1-800-241-2222
Web page: http://www.accwhse.com/

Euro Spares
( Lucas RITA electronic ignitions for BSA unit singles and Ducati singles, as well as conversions for TT/XT500 Yamaha and other special projects. )
1451 46th Ave
San Francisco, CA 94122-2902
Phone (415) 665-3363
Michael Moore
Email: mmoore@eurospares.com
Web page: http://www.eurospares.com

Carbon Tech
( MuZ Skorpion Carbon Fiber Slip-On Exhaust. Other Makes/Models? )
5711 Florin-Perking Rd., #K
Sacramento, CA 95826
Phone 1-888-776-4089

J.W. Raceparts
( MuZ Skorpion performance items and service. Other Makes/Models? )
92 Bogart Ave
Garfield, NJ
Phone (201) 773-2484

Dale Walker's Hole Shot Performance Products
( MuZ Skorpion performance products. Call and ask for Go Fast Catalog #7. Other Makes/Models? )
320 Babe Thompson CW
La Selva, CA 95076
Phone (408) 761-2808
FAX (408) 761-3105

Fast Company
( Carbon fiber performance parts for MuZ Skorpion. Other Makes/Models? )
1010 Third Ave. NW #B
Hickory, North Carolina 28601
Phone (704) 327-2644

Sport Cycle Pacific
( MuZ Skorpion performance parts. Other Makes/Models? )
210 Santa Barbara St.
Santa Barbara, CA 93101
Phone (805) 966-6508
FAX (805) 965-7774

Works Performance
( Suspension components )
8730 Shirley Ave.
Northridge, CA 91324
Phone (818) 701-1010
FAX (818) 701-9043

Air Tech
( Fiberglass/ carbon-fiber body parts, "vintage" body parts )
2530 Fortune Way
Vista, CA 92083
Phone (619) 598-3366
FAX (619) 598-3336
Web page: http://www.Airtech-Streamlining.com

Consolidated Racing Fasteners
( Well... Racing Fasteners )
136 South Park Avenue
San Francisco, CA 94107
Phone (415) 543-1925
FAX (415) 777-8633

Cosmopolitan Motors
( DelOrto carb parts )
301 Jacksonville Rd
Hatboro PA 19040
Phone 1-800-523-2522
Phone (215) 672-9100
FAX (215) 672-9103

DomiRacer Accessory Mart
( Vintage MC parts )
5218 Wooster Rd
Cincinnati, OH 45226
Phone (513) 871-1678

Applied Racing
( Aluminum MX accessories, Honda XRs )
1115 Industrial Ave
Escondido, CA 92029
Phone (619) 743-8190
Phone 1-800-853-0555
Web page: http://www.AppliedRace.com

Barnhill Bolt Co. Inc.
( Fasteners, nuts and bolts )
P.O Box 6292
2500 Princeton NE
Albuquerque, NM 87107
Phone (505) 884-1808
FAX (505) 888-1559
Web page: http://www.barnbolt.com/

Arias Forged Pistons
( Performance pistons )
13240 S Normandie Ave
Gardena, CA 90249
Phone (310) 532-9737
Phone (213)770-0055
FAX (310) 516-8203

Sudco International Corporation
( Mikuni carbs and other performance parts for various makes & models )
3014 Tanager Avenue
Commerce, CA 90040
Phone: (323) 728-5407
Fax: 323-728-8060
Email: sudco@sudco.com
Sudco is open 8:30 AM - 5:00 PM Pacific Time, Monday - Friday
Web page: http://www.sudco.com

Megacycle
( Performance cams and other parts )
90 Mitchell Blvd
San Rafael,CA 94903
Phone (415) 472-3195

Barnett
( Clutches & cables )
PO Box 2826
Sante Fe Springs, CA 90670
Phone ?

Carrillo
( Performance rods and othe parts )
990 Calle Amanecer
San Clemente, CA 92673
Phone (714) 498-1800
FAX (714) 498-2355

Dynojet
( Performance carb kits )
200 Arden
Belgrade, MT 59714
Phone (406) 388-4993

K&N Engineering, Inc.
( Performance air filters )
POB 1329
Riverside, CA 92502
Phone 1-800-858-3333

Koni/TT Parts and Supplies
( Suspension components )
?
?
Phone (606) 727-5000

Mikuni Racing Carburetors
( Performance carburetors )
8910 Mikuni Ave
Northridge, CA 91324
Phone ?

Progressive Suspension, Inc.
( Suspension components )
11129 G Avenue
Hesperia, CA 92345
Phone (760) 948-4012
Fax (760) 948-4307
Web site: http://www.progressivesuspension.com
E-mail: info@progressivesuspension.com

Supertrapp Industries, Inc.
( Performance exhaust systems )
4540 W. 160th St.
Cleveland, OH 44135
Phone (216) 265-8400

Wiseco Piston Inc.
( Performance pistons )
7201 Industrial Park Boulevard
Mentor, OH 44060
Phone 1-800-321-1364
http://www.wiseco.com

Powroll Inc
( Performance stroker cranks )
4211 SW Mountain Pk Wy
PO Box 920
Redmond OR 97756
Phone: (541) 923-1290
Fax: (541) 923-5637
Web page: http://www.powroll.com
Email: mail@powroll.com

Venolia Pistons
( Performance pistons )
2160 Cherry Industrial Circle
Long Beach, CA
Phone (562) 531-8463 or (213) 636-4676

Deering Industries
( High performance hardware, stainless steel hose & fittings )
3300 Cherry Ave.
Long Beach, CA 90807
Phone (562) 595-1668

Scott's Performance Products
( Off-road performance parts )
2625 Honolulu Ave.
Montrose, CA 91020
Phone (818) 248-6747

Valley Cycles
( Classic/vintage Honda, Norton, Triumph, BSA, Suzuki, Matchless, etc. sales and service )
7242 Reseda Blvd.
Reseda, CA 91335
Phone (818) 343-6073

Nology Ignition Products
( High performance ignition systems )
7933 Silverton Ave., Ste 710
San Diego, CA 92126
Phone (619) 578-4688

Dynatek Performance Electronics
( High performance ignition systems, shift lights )
164 S. Valencia St.
Glendora, CA 91741
Phone (818) 963-7399

Fox Racing Shox
( Racing shocks )
3641 Charter Park Drive,
San Jose, CA 95136
Phone (408) 269-9201

IMS Products
( Off-road racing products )
6240 Box Springs Rd., Unit E
Riverside, CA 92507
Phone (909) 653-7720

AFAM USA
( Sprockets & chains )
5953 Engineer Dr.
Huntington Beach, CA 92649
Phone 1-800-290-9040

Autometer Competition Instruments
( Competition tach, speedo, etc. )
413 W. Elm St.
Sycamore, IL 60178
Phone (815) 895-8141

Jegs
( Car performance stuff, some adaptable to thumpers )
751 East 11th Ave.
Columbus, OH 43211
Phone 1-800-345-4545

Aircraft Spruce and Specialty
( Composite materials, fasteners, hoses, etc. )
201 W. Truslow Ave.
Fullerton, CA 92632
Phone 1-800-824-1930

Torque Master Products
( Custom, hand-made sparkplugs )
114 Standard St.
El Segundo, CA 90245
Phone 1-800-250-7533

Baja Designs
(Street legal kit for XR, KLX, DR, and parts & accessories)
Address ?
Phone ?
Web page: http://www.bajadesigns.com

Acerbis
( lots of off road stuff )
Address ?
Phone ?
Web page: http://www.acrebis.com

AXO
(motocross clothes )
Address ?
Phone ?
Web page: http://www.axo.com

IMS Products
( off road equipment )
Address ?
Phone ?
Web page: http://www.imsproducts.com

Moose off road
( motocross clothes & equipment )
Address ?
Phone ?
Web page: http://www.mooseoffroad.com

France:

VD-Classic
( Spécialiste XT/SR 500 Yamaha Vente toutes pièces et accessoires adaptables pour ce type de machines : réservoirs alu, selles, commandes reculées, échappements. )
rue du commerce
67640 fegersheim
France
Tel +33 3 88 68 53 23
Fax +33 3 88 64 98 93
info@vd-classic.com

our web site: www.vd-classic.com

The Netherlands:

Jeroen Baack
( For Gilera Saturno of 1989:
Closer 5th gear sets and replacement gears, also for the Piuma.
All kind of parts for the Saturno.
Special for the Piuma: replica upper & lower fairing, seat.)
Phone: +31-53-5740789
Fax : +31-53-5729773
Email: JJF.Baack@Planet.nl
Web page: http://www.planet.nl/~jbx/index.htm

Sweden:

Desert Dealer HB
( Spareparts/accesories for Offroad bikes-XT,XTZ,XRV,XR,DR,TT. )
Gjuterigatan 27
S-652 21 Karlstad
Tel: +4654 850805
Fax: +4654 850705
Email: desert.dealer@connect.netgain.se
Web page: http://www.desertdealer.se

UK:

RSR Kitsets LTD
Phone: +64 04 232 5345
Mobile: 025 494 650
Fax: +64 04 232 5345
Email: info@rsrkitsets.com
Website: http://www.rsrkitsets.com/
Physical Address: 34 Turkington st,Tawa,Wellington,NewZealand.
Postal Address: PO Box 51191, Tawa, Wellington, New Zealand.
Contact Names: Rob Finlayson, Director

Renegade Race Cans
( Slip-ons for MuZ Skorpion. Other Makes/Models? )
Unit 2, Clearways Business Center
West Kingdom, NR Brands Hatch
Kent, TN15 6ES
Phone 011-44-1474-852255
FAX 011-44-1474-852999

Ray Dentith Motorcycles
( Performance parts for MuZ Skorpion. Other Makes/Models? )
6 London Road
Purbrook
Hants P07 5LJ
England
Web page: http://server43.hypermart.net/ray-dentith
Phone 011-44-230746

Tom Beckett
( BSA B50 CCM parts )
Phone & Fax 44 (0)1233 740349
Email: JBDRIVERS@compuserve.com

ELK Engineering
( Supply and repair of girder forks for pre-war British Motorcycles, and re-print British manuals )
Steve Burniston
The Little Farm
Ivychurch, Romney Marsh
Kent, TN29 0AL
The United Kingdom
Telephone / Fax : 01797 344277
Please include an SAE or IRC (International Reply Coupon) if making enquiries by post.
Email: elk.engineering@virgin.net
Web page: http://freespace.virgin.net/elk.engineering/

TGA Classic Motorcycles Ltd.
( Replica tanks and seats. Also spares and tuning parts for classics, both road and race. )
Graham Boothby
Smithy Garage
Liverpool Road Bickerstaffe
Lancashire L39 0EF England
Phone +44 070 50 350 500
Email: tga@tga.co.ukor enquiries@tga.co.uk
Web page: http://www.tga.co.uk

M & P Accessories
( Performance parts and accessories for various makes & models )
Phoenix Way
Garngoch Industrial Estate
Gorseinon, Swansea SA4 1HN Wales
Phone: +44 1792 224430
Email: Sales@MandP.com Tech@MandP.com Customer_Services@MandP.com
Web page: http://www.MandP.com

MPS Accessories
( Performance parts and accessories for various makes & models )
Daneheath Business Park Heathfield
Newton Abbot Devonshire TQ12 6TL England
Phone: (01392) 455065
Fax: (01626) 836666
Email: info@thefastone.co.uk
Web page: http://www.thefastone.co.uk

Performance Engineering services
( Parts manufactured and supplied for 4stroke road and MX engines CCM, BSA, Husky Yam, etc. )
e-mail: mark@mx4stroke.demon.co.uk
Web page: http://www.mx4stroke.demon.co.uk

Germany:

Wunderlich
( parts for Yamaha SR, XT, TT, Tenere and XTZ )
Walporzheimer Straße 26
53474 Ahrweiler
Germany
Tel: +49 2641 979 00
Fax: +49 2641 979 33

EGU
Eisentalstraße 3
71332 Waibingen
Germany
Tel: +49 7151 561818 or 5 22 82
Fax:+49 7151 55213

Kedo
( Parts and service for Yamaha SR/SRX/XT/XTZ/SZR singles and TRX850/TDM850 twins )
Moorkamp 19
20357 Hamburg
Germany
Fax: +49 040 40170201
Email: info@kedo.com
Web page: http://www.kedo.com/
and http://ourworld.compuserve.com/homepages/kedo

Miles Motors
( Parts and service for Yamaha SR/SRX/XT/XTZ/SZR singles )
In Venn 12
41844 Wegberg
Germany
Tel: ++49 2434 25358 Fax: ++49 2434 25358 E-Mail: dieter.stibitz@main-rheiner.de
Web page: http://www.main-rheiner.de/homepage/dieter.stibitz

Walneck's Classic Cycle-Trader Magazine
For subscription info call
Phone (708) 985-4995

Motorcycle Shopper Magazine
For subscription info call
Phone (407) 574-1014
Web page: http://www.mshopper.eurografix.com
( Note: Maintains on-line Motorcycle Salvage Yard Directory )

Old Bike Journal magazine
For subscription info call
Phone (815) 734-1101

Italian Parts Exchange
Online trading post for Italian bikes, parts, literature, etc.
http://www.piston.com/ipe/

RepairManual.com
( Distributes Chilton, Clymer, Haynes and factory OEM repair manuals online for most bikes - microfiche cards too. )
739 Highway 197N
Burnsville, NC 28714
Phone/Fax: 800-426-4214
Len Nelson
http://www.RepairManual.com/

Aston Publications-
Illustrated AJS & Matchless Buyer's Guide
Illustrated BSA Buyer's Guide
Illustrated BMW Buyer's Guide
Illustrated Ducati Buyer's Guide
Illustrated Moto Guzzi Buyer's Guide
Illustrated Norton Buyer's Guide
Illustrated Triumph Buyer's Guide

( In addition to being History/Field Guides to the various models of bikes produced by each company, these books usually have a listing of clubs and resources. )

( US Distributor )
Motorbooks International
P.O. Box 2
729 Prospect Avenue
Osceola, WI 54020

( UK Distributor )
Springfield Books Limited
Norman Road, Denby Dale
Huddersfield, West Yorkshire HD8 8TH

Merlin Books (CB)
PO Box 153
Horsham
W. Sussex RH12 2YG
England
+44 (01403) 257626 (voice or fax)
Web page: http://dialspace.dial.pipex.com/merlinbooks/

Motorsport
( Out of print MC related books )
550 Honey Locust Road
Jonesburg, MO 63351-9600
Phone (314) 488-3113

For the definitive list of technical books please visit
Michael Moore's Technical book bibliography
at his Eurospares website
( http://www.eurospares.com/techbook.htm )