Phone (360)563-0376  FAX (707-248-0726)   E-Mail: sales@thumperstuff.com

Review the parts listed below. Enter part numbers and prices for those items you wish to order on our printable order form, or call us direct at (360) 563-0376 between 10:00 a.m. and 4:30 p.m. PST. For details go to How To Order. Have some suggestions or comments? Go to our feedback page!

Due to the age of the bikes I sell components for, some parts may be temporarily or permanently unavailable. I am always in the process of updating and verifying our parts lists. I apologize for any inconvenience this may cause.  I am in the process of updating and soon changing the website.  Some of it is updated, more will be.

Machining / Manuals, Tools, Misc. / Engine Components / Pistons / Carburetors / Exhaust Systems & Supplies / Suspension & Frame Supplies / Shock Absorbers/Brakes/Drive/Controls/Brake Lines/Electrical / Chassis & Body / BSR Components / Polishing

MACHINE SHOP LABOR

Thumper Stuff Part Numbers

SR500

XT500

TT500

0125
$50

-

-

MANUALS, TOOLS, MISC.

Thumper Stuff Part Numbers

SR500

XT500

TT500

CHAIN BREAKER: You could use a file, but it takes forever

1005
$26

1005
$26

1005
$26

CHAIN PRESS: Helps to get the chain together

1006
$26

1006
$26

1006
$26

CHAIN BREAKER/RIVETER TOOL:  What you need for o-ring chains

1006M
$78

1006M
$78

1006
$78

DEGREE WHEEL: Made of aluminum, a "must" for setting up engines

1013A
$18

1013A
$18

1013A
$18

1013
  $12

1013
$12

1013
$12

1030
$5

FLYWHEEL PULLER: The right tool for the job

1010
$13

1010
$13

1010
$13

MANUAL, HAYNES: Tells you what you need to know to maintain your bike.

1003
$25

1003
$25

1003
$25

MANUAL, CHILTON: XT-TT

1003A
$29

1003A
$29

MANUAL, CLYMER,  Rare, Still in wrapper.  the RED book.   Tells you what you need to know to maintain your bike. Long out of print.

1003C
$45

MANUAL, FACTORY SERVICE, Photocopy,

1025
$40

1025
$40

1025
$40

MANUAL, OWNERS SR500

1026
$22

RIM SAVER: Slips easily over alloy rims for changing tires, protects finish

1015
$8

1015
$8

1015
$8

ENGINE COMPONENTS

Thumper Stuff Part Numbers

SR500

XT500

TT500

BASE NUTS, CYLINDER, STEEL.  Helps hold a high performance engine together

1105
$42

1105
$42

1105
$42

BASE STUD, Case to cylinder.  O.E. part

1105S
$5

1105S
$5

1105S
$5

BOLT SET, ENGINE MOUNTING, Just the bolts, no nuts

1192
$18

1192X
$17

1192X
$17

BOLT SPACER, UPPER REAR MOUNTING BOLT,

1192S
$8

CAM CHAIN ADJUST. COVER, POLISHED, Machined from billet aluminum
                                               

1107
$35

1107
$35

1107
$35

1107M
$27

1107M
$27

1107M
$27

CAM CHAIN, Solid roller, heavy duty, no master-link

1132
$51

1132
$51

1132
$51

CAM CHAIN DAMPER, Little bush on cam chain adjuster rod

1132C
$9

1132C
$9

1132C
$9

CAM CHAIN GUIDE, Adjustable

1133A
$49

1133A
$49

1133A
$49

CAM CHAIN GUIDE, Fixed

1133B
$21

1133B
$21

1133B
$21

CAM CHAIN WINDOW CAP, The seal is bonded on, not available separately.

1132W
$40

1132W
$40

1132W
$40

CAM SPROCKET, "VERNIER" ADJUSTABLE:

1131
$66

1131
$66

1131
$66

CAM SPROCKET, BOTTOM

1131B
$32

1131B
$32

1131B
$32

CLUTCH FRICTION PLATE KIT, STANDARD: Equivalent to original

1161
$72

1161
$72

1161
$72

CLUTCH FRICTION PLATE KIT, Barnett, Heavy duty

1162
$92

1162
$92

1162
$92

CLUTCH PLATE: Driven Steel plate, EACH

1162S
$6

1162S
$6

1162S
$6

CLUTCH BOLT SET: of six

1162B
$6

1162B
$6

1162B
$6

CLUTCH SPRING KIT, O.E. EQUIV.

1160
$12

1160
$12

1160
$12

CLUTCH SPRING KIT, HEAVY DUTY: Takes a strong hand, (see "Easy Clutch" #1625)

1160A
$18

1160A
$18

1160A
$18

CLUTCH ADJUSTER SCREW:

1163
$8

1163
$8

1163
$8

CLUTCH ARM

1163A
$36

1163A
$36

1163A
$36

CLUTCH ROD

1163B
$19

1163B
$19

1163B
$19

CRANKCASE BREATHER, K&N: Race application

1193
$25

1193
$25

1193
$25

CRANKCASE BREATHER, UNI: Race application foam sock. 

1193U
$7

1193U
$7

1193U
$7

Thumper Stuff Part Numbers

SR500

XT500

TT500

CYLINDER FIN DAMPERS, Set of six of those little rubber bits that fit between the fins

1146
$3

1146
$3

1146
$3

CYLINDER SLEEVE: Standard to + 1mm

1119
$95

1119
$95

1119
$95

GASKET SET, COMPLETE ENGINE: All the gaskets you'll need for your engine.

1140
$47

1140
$47

1140
$47

GASKET SET, TOP END: All that is required for a "top end" job.

1141
$32

1141
$32

1141
$32

GASKET, EXHAUST: Replace them every time you loosen your head-pipe Aftermarket spiral wrap

1144
$2

1144
$2

1144
$2

GASKET, EXHAUST: Stock Style, wire mesh

1144A
$5

1144
$5

1144
$5

GASKET, EXHAUST:  10 pack, aftermarket

1144P
$16

1144P
$16

1144P
$16

HEAD & BASE GASKET, Fiber Sandwich type, 90mm 

1142P
$31

1142P
$31

1142P
$31

GASKET, HEAD: Copper, 90mm,  .040, .060 or .080 thick.  & 92mm in .040 thick

1142
$31

1142
$31

1142
$31

GASKET, HEAD: Standard

1142S
$14

1142S
$14

1142S
$14

GASKET, BASE: Copper, .020 (std) or .030 Thick

1142A
$26

1142A
$26

1142A
$26

GASKET BASE, Standard

1142B
$3

1142B
$3

1142B
$3

GASKET, SUMP

1153
$4

1153
$4

1153
$4

GASKET, CRANKCASE: Right   Stock Item

1158RS
$11

1158RS
$11

1158RS
$11

GASKET, CRANKCASE: Right   Aftermarket item

1158R
$6

1158R
$6

1158R
$6

GASKET, STATOR COVER

1158L
$10

1158L
$10

1158L
$10

GASKET, POINTS COVER

1158T
$7

1158T
$7

MAGNETIC DRAIN PLUG, Capture flakes of metal in your engine, NEW LOWER PRICE

1134
$12

1134
$12

1134
$12

O-RING, OIL FILTER COVER: Cleans up that oozing cover

1152
$2

1152
$2

1152
$2

OIL FILTER COVER: SR Clearcoated

1152C
$16

OIL FILTER COVER: XT-TT Black.  Sure, you can use it on the SR too.

1152B
$8

1152B
$8

OIL FILTER COVER BOLT, BOTTOM: Special shouldered bolt.  Careful no to overtighten!

1152D
$3

1152D
$3

1152D
$3

Thumper Stuff Part Numbers

SR500

XT500

TT500

OIL FILTER, O.E. EQUIV., 6-PACK: With one set  cover O-rings .You can't change them too often

1150
$20

1150
$20

1150
$20

OIL FILTER, Fram, (Includes O-Rings)

OIL LINE KIT, DUAL HI-VOLUME: Oil to intake & exhaust rockers of the head

1103
$85

1103
$85

1103
$85

OIL LINE, REPLACEMENT:  For flex lines to head.

1101P
$22

1101P
$22

1101P
$22

OIL LINE BANJO BOLT: Stock single feed banjo bolt

1101A
$4

1101A
$4

1101A
$4

OIL LINE BANJO BOLT, DOUBLE: Stainless double feed banjo bolt

1101S
$20

1101S
$20

1101S
$20

OIL LINE ROCKER BOX FEED BOLT,

1101R
$18

1101R
$18

1101R
$18

OIL PUMP HOUSING KIT, 5 BOLT
FACTORY, LATE MODEL: Helps flow.  Use existing rotors.  If your bike is '80 or newer, you already have it. Oil seals installed.

1167
$56

1167
$56

1167
$56

OIL PUMP ROTOR, Inner (larger) scavenger pump set

1167S
$26

1167S
$26

1167S
$26

OIL PUMP ROTOR, Outer (thinner) pressure pump set

1167P
$24

1167P
$24

1167P
$24

OIL SUMP COVER

1154
$29

1154
$29

1154
$29

OIL TEMP. DIP STICK, Degrees "F" 

1190
$48

1190
$48

1190
$48

PISTONS

Thumper Stuff Part Numbers

SR500

XT500

TT500

BORE, STOCK, mm (Ref.)>

87mm

87mm

87mm

FACTORY ORIGINALS

PISTON & RINGS, STD BORE

-

1137
$145

1137
$145

PISTON & RINGS, +.020(0.5mm)

-

1138
$145

1138
$145

PISTON & RINGS, +.040(1.0mm)

1139
$145

1139
$145

1139
$145

Thumper Stuff Part Numbers

SR500

XT500

TT500

Size mm

BORE, STOCK, mm (Ref.)>

87mm

87mm

87mm

87mm  STOCK COMPRESSION

Includes rings, pins and clips,

1110S
$145

1110S
$145

1110S
$145

0.5mm /+.020in

Includes rings, pins and clips

1111S
$145

1111S
$145

1.0mm /+.040in

Includes rings, pins and clips

1112S
$145

1112S
$145

1112S
$145

1.5mm /+.060in

Includes rings, pins and clips

1113S
$158

1113S
$158

1113S
$158

2.0mm /+.080in

Includes rings, pins and clips

1114S
$158

1114S
$158

1114S
$158

 87mm  10:1 COMPRESSION

Includes rings, pins and clips,

1110
$151

1110
$151

1110
$151

0.5mm /+.020in

Includes rings, pins and clips

1111
$151

1111
$151

1.0mm /+.040in

Includes rings, pins and clips

1112
$151

1112
$151

1112
$151

1.5mm /+.060in

Includes rings, pins and clips

1113
$163

1113
$163

1113
$163

2.0mm /+.060in

Includes rings, pins and clips

1114
$163

1114
$163

1114
$163

87mm   12:1 COMPRESSION

Includes rings, pins and clips,

1110H
$155

1110H
$155

1110H
$155

0.5mm /+.020in

Includes rings, pins and clips

1111H
$155

1111H
$155

1.0mm /+.040in

Includes rings, pins and clips

1112H
$155

1112H
$155

1112H
$155

1.5mm /+.060in

Includes rings, pins and clips

1113H
$168

1113H
$168

1113H
$168

2.0mm /+.080in

Includes rings, pins and clips

1114H
$168

1114H
$168

1114H
$168

90mm

Includes rings, pins and clips, req. big gasket

1113B
$155

1113B
$155

90mm

Stock compression, Includes rings, pins and clips, req. big gasket

1113SB
$151

1113SB
$151

Thumper Stuff Part Numbers

SR500

XT500

TT500

90mm

Includes rings, pins and clips, req. big gasket

1113J
$145

1113J
$145

PISTON WRIST PIN, XT-TT, Also, to adapt some pistons to SR

1177
$10

PISTON WRIST PIN, SR, Stock, not for Wiseco

PISTON WRIST PIN,  for Wiseco

1177W
$13

CLIP, PISTON PIN,  for Wiseco, PAIR

1178W
$2

PISTON WRIST PIN,  for Stock pistons, PAIR

1178S
$3

RING SET, FACTORY, specify size

1109
$52

1109
$52

1109
$52

RING SET, WISECO, specify size

1109A
$32

1109A
$32

1109A
$32

ROD, CARRILLO: A high performance connecting rod for the racing engine. "H" section.  Heavier than stock.  Extra strong.

1170
$305

1170
$305

1170
$305

ROD, FALICON: A high performance connecting rod for the racing engine. Oval or "knife" section. About the same weight as stock. 

1170F
$207

1170F
$207

1170F
$207

ROD, STOCK

1170A
$109

1170A
$109

1170A
$109

ROD, BIG END BEARING, stock

1171
$19

1171
$19

1171
$19

CRANK PIN: for new rod and bearing

1171A
$23

1171A
$23

1171A
$23

CRANK BEARING: Left

1172A
$25

1172A
$25

1172A
$25

CRANK BEARING: Right

1172B
$30

1172B
$30

1172B
$30

CRANK WOODRUFF KEY: Change while you're in there.

1172W
$4

1172W
$4

1172W
$4

ROCKER ARM, HARD-FACE & GRIND, price per 1 each, on your arm or exchange

1135
$72

1135
$72

1135
$72

1156
$9

1156
$9

1156
$9

SHIFT LEVER,  Not stock, but close

1148
$12

1148
$12

1148
$12

SHIFT LEVER,  Stock, with rubber cover

1148S
$29

SHIFT LEVER - Folding

1148F
$28

1148F
$28

1148F
$28

SHIFTER PAWL SPRING:  Stuck in a gear?  This may have broken.

1145
$4

1145
$4

1145
$4

SHIFT LEVER BOOT

1145A
$8

1145A
$8

1145A
$8

SPARK PLUG,  NGK BP7ES, BP6ES, B8ES, B9ES

1143
$3

1143
$3

1143
$3

Spark Plug, Iridium BPR7EIX

1143A
$9

1143A
$9

1143A
$9

TIMING PLUG, SIDE COVER: Below the oil filter cover.

1155P
$15

1155P
$15

TUNE-UP KIT,( points, cond.)

1155
$10

1155
$10

POINTS COVER

1155C
$22

1155C
$22

TRANSMISSION BEARING, OUTPUT SHAFT OUTER

1182A
$18

1182A
$18

1182A
$18

TRANSMISSION BEARING, OUTPUT SHAFT INNER

1182B
$36

1182B
$36

1182B
$36

TRANSMISSION BEARING, MAIN SHAFT OUTER

1182C
$13

1182C
$13

1182
$13

TRANSMISSION BEARING, MAIN SHAFT INNER

1182D
$30

1182D
$30

1182D
$30

TRANSMISSION BEARING, SHIFT DRUM,  SR and late XT-TT

1182E
$11

1182E
$11

1182E
$11

TRANSMISSION BEARING, CLUTCH ARM, Uses 2, price each

1182F
$11

1182F
$11

1182F
$11

TRANSMISSION COUNTERSHAFT COLLAR

1182G
$8

1182G
$10

1182G
$10

VALVE GUIDE SEALS (set)

1128
$5

1128
$5

1128
$5

VALVE GUIDE O-RING, Goes under the guide when installing.  O.E item.  Price Each

1127R
$4

1127R
$4

1127R
$4

VALVE GUIDES, HIGH PERFORMANCE  for high lift cams  EACH  Bronze,  Stock Size

1127
$30

1127
$30

1127
$30

VALVE GUIDES, HIGH PERFORMANCE  for high lift cams  EACH  Bronze,  +.001 oversize

1127A
$30

1127A
$30

1127A
$30

VALVE GUIDES, HIGH PERFORMANCE  for high lift cams  EACH  Bronze,  +.002 oversize

1127B
$30

1127B
$30

1127BC
$30

VALVE GUIDES, HIGH PERFORMANCE  for high lift cams  EACH  Bronze,  +.004 oversize

1127C
$30

1127C
$30

1127C
$30

VALVE GUIDES, Stock, EACH

1127S
$32

1127S
$32

1127S
$32

VALVE SPRING KIT, Stock pieces

1125Y
$66

1125Y
$66

1125Y
$66

VALVE SPRING KIT (alloy retainers) RD Springs For high lift cams

1125
$70

1125
$70

1125
$70

VALVE SPRING KIT (titanium retainers) RD Springs  For high lift cams

1126
$133

1126
$133

1126
$133

VALVE SPRINGS ONLY - STOCK

1125S
$22

1125S
$22

1125S
$22

VALVE SPRINGS ONLY, Kibblewhite,  For high lift cams.  Do not use with stock retainer.

1125K
$34

1125K
$34

1125K
$34

1130C
$4

1130C
$4

1130C
$4

1129
$18

1129A
$

1129A
$

VALVE, EXHAUST, (SR, XT, TT, State model/year)

1130
$25

1130
$25

1130
$25

CARBURETORS

Thumper Stuff Part Numbers

SR500

XT500

TT500

36mm MIKUNI, KIT (w/clamp-on hi-flow filter, throttle, cable, breather filter, extra jets) .

1201
$245

1203
$238

1203
$238

38mm MIKUNI, KIT (w/clamp-on hi-flow filter, throttle, cable, breather filter extra jets)

1202
$255

1204
$248

1204
$248

36MM Mikuni Flat Slide Pumper Carb - GREAT GRUNT!  Just the carb.  Check if allowed for racing in your area

1200
$365

1200
$365

CARB. HOLDER, RUBBER, 36mm to 40mm

1218
$15

1218
$15

1218
$15

CARB. HOLDER, RUBBER, Stock

1218S
$25

1218
$25

1218
$25

CARB. BOOT,  Between carb and air box. State year of bike and/or OD of carb.

1218B
$12

1218C
$13

1218C
$13

CARB. FLOAT NEEDLE

1217
$7

1217
$7

1217
$7

CARB. Needle & Seat for Stock Carb

1217M
$15

1217M
$15

1217M
$15

CARB. JETS, Main or Primary.  I have a fair selection.

1217J
$3

1217J
$3

1217J
$3

FILTER, AIR, K&N (fit stock air box)

1210
$46

1211
$44

1211
$44

AIR BOX SNORKEL, State Front or Rear

1240
$11

1240
$11

FILTER, AIR, K&N, HI-FLOW (replace stock air box) FT500 specify flange dia

1212
$41

1212
$41

1212
$41

FILTER, AIR, K&N HI-FLOW for 36-38mm MIKUNI

1213
$42

1213
$42

1213
$42

PETCOCK, REBUILD KIT .

1810
$26

PETCOCK, "PINGLE": with adapter plate

1205
$94

PETCOCK, Stock for SR

1205S
$87

PETCOCK SCREEN TOWER, for SR

1205SS
$20

PETCOCK, For TT500, with or without Reserve!

1206T
$34

PETCOCK, For XT