B44GP Spares Manual

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41-4604   

B44GP AIR BOX - FIBERGLASS REPRODUCTION
A WORK OF ART !!!
TEST FITTED TO A GP FRAME AFTER MANUFACTURING
SOME FIDDLING MAY STILL BE NECESSARY WITH MOUNTING POINTS ON FRAME
THIS AIR BOX IS MADE FOR THE ROUND BARREL CARB POSITION. IF A B50 OR 441 SQUARE BARREL MOTOR IS PUT IN THE GP FRAME THE INTAKE NECK INTO THE AIR BOX WILL HAVE TO BE RE-LOCATED.

FOUR BOXES ARE IN PRODUCTION PRESENTLY. STEEL BRACKETRY IS BEING MADE FOR INSTALATION IN SHELL SECTIONS BEFORE FINAL ASSEMBLY. AVAILABILITY ESTIMATED IN SUMMER OF 2026.

41-9085

SEAT, B44 GP
NEW FAITHFUL REPRODUCTION OF ORIGINAL - BEAUTIFUL!
TEST MOUNTED ON GP FRAME TO AFFIRM FIT
ALSO COMES WITH FRAME MOUNTING PLATES 41-9104 & 41-9105

41-6532

FENDER, FRONT ALLOY B44GP
NEVER BEFORE AVAILABLE
LIMITED RUN OF THESE GUARDS THAT WILL BE SOLD TO B44GP OWNERS
SAME SIZE AND FORM AS THE CHROME 41-6533 FRONT MUDGUARDS, JUST IN ALUMINUM AS USED ON THE GP VICTOR.

41-6785

FENDER, REAR ALLOY B44 G.P
A PERFECT REPRODUCTION OF THIS PREVIOUSLY IMPOSSIBLE TO SOURCE MUDGUARD
MADE EXCLUSIVELY FOR BSA UNIT SINGLES LLC
2 MIL THICK ALUMINUM WITH A FULLY ROLLED EDGE BEAD AROUND THE ENTIRE BOTTOM OF THE FENDER.

41-5543ASSY

FRONT BRAKE PLATE ASSEMBLY, B44GP
THIS IS THE IMPOSSIBLE TO FIND FRONT BRAKE PLATE ASSEMBLY THAT WAS USED ON THE B44GP

THE ASSEMBLY COSISITS OF A NOS BRAKE PLATE AND BRAKE CAM. THE BRAKE CAM BOSS WAS REPRODUCED EXACTLY FROM AN ORIGINAL CASTING 41-5546

THE BRAKE ASSEMBLY IS MADE TO SHIFT BACK AND FORTH WHEN THE BRAKES ARE APPLIED (SERVO ACTION) RESULTING IN INCREASED BRAKING FROM THE 7" HALF HUB. ALL PARTS ARE NEW OR NEW OLD STOCK. NO SMALL AMOUNT OF EFFORT AND TIME WENT INTO MAKING THESE BRAKE PLATES.

END USER NEEDS TO TIGHTEN ALL BOLTS AND PROPERLY ADJUST FOR THE CAM BOSS MOVEMENT.

BRAKE SHOES ARE SOLD SEPARATELY.

BUYER PROVIDES THEIR OWN BRAKE ARM.

41-5546ASSY

BRAKE CAM BOSS ASSEMBLY, B44GP
ALL THE PARTS NEEDED TO CONVERT A REGULAR 7" CHROME BRAKE BACKING PLATE INTO A FLOATING CAM BRAKE PLATE
YOU JUST NEED THE BRAKE PLATE AND MACHINIST WORK ON THE PLATE
INCLUDED NEW CAST ALUMINUM BOSS MACHINED AND WITH A BRONZE BUSHING ADDED FOR EXTENDED LIFE
ALSO INCLUDES STAINLESS STEEL SHOULDERED BOLTS 41-5549 AS WELL AS INTERNAL CAM SPACER ALONG WITH A LIGHTLY USED BRAKE CAM AND NEW BRAKE ARM WASHERS AND REDUCED HEX NUT.

41-7026

BRAKE ANCHOR STRAP & CHAIN GUIDE
B44GP
MADE BY BSA UNIT SINGLES LLC

41-8253-T1

FILLER PLUG, GAS TANK FILLER BUNG, GAS CAP
B44GP 1966-67
PLASTIC (PETG - UV AND PETROL RESISTANT)
ACCURATE REPRODUCTION OF THIS IMPOSSIBLE TO SOURCE CAP - EVEN HAS THE PROPER INTERNAL VENTING CHAMBER AND A SPLASH SCREEN
COMES WITH O-RINGS
THIS IS TYPE 1 WITHOUT A VENT HOSE BARB ON TOP
MADE BY BSA UNIT SINGLES LLC!

41-4182

BAFFLE, OIL IN FRAME RETURN, G44GP
AN UNUSUAL ITEM - MADE BY BSA UNIT SINGLES LLC

41-6070-LF

REAR SPROCKET, 60T B44GP (10 HOLE) 428 CHAIN
NOTE: THIS FITS A QD HUB AND BRAKE BUT IS MADE FOR 428 CHAIN AS THE B44GP USED
PREMIUM AEROSPACE ALUMINUM 7075-T651 ALLOY
MADE IN THE USA
.
**NOTE**
THIS SPROCKET IS MADE TO FIT THE "LARGE FLANGE" BRAKE DRUM WITH NO FINS. THE FLANGE IS OFFSET THE THE LEFT SIDE SO SPROCKETS NEED TO BE MOUNTED FROM THE BACKSIDE OF THE BRAKE DRUM. THE FLANGE THAT THE SPROCKETS MOUNT AROUND (CUP ONTO) IS 9.005" IN DIAMETER. THE BOLT HOLE LOCATIONS ARE DIFFERENT THEN THE SIMILAR "SMALL FLANGE" BRAKE DRUMS WHICH ARE LESS COMMON ON THE B44GP MODELS.

41-6058-U

QD BRAKE DRUM 7"(PLAIN NO FINS) FOR BOLT ON SPROCKET MOUNTED ON THE INSIDE OF THE FLANGE
THIS IS A TRUE B44GP BRAKE DRUM
THE OVERALL DIAMETER OF THE SPROCKET MOUNTING FLANGE IS 9"
COMES WITH NEW SEALED BEARING INSTALLED
USED - EXCELLENT CONDITION, SMOOTH BRAKE SURFACE

41-0584

CAMSHAFT, B44GP 1966-67
NOS
9/16" INNER JOURNAL (BOLT 70-7831 26TPI) 2.79" OAL
DISCOLORING IS ORIGINAL COSMOLINE PRESERVATIVE
NOT MANY NEW ONES OF THESE AROUND!

41-4220

SWING ARM B44GP APPROX 1" LONGER AND LARGE DIAMETER TUBES
COMES WITH SILENTBLOC BUSHING INSTALLED
BRONZE WELDED REYNOLDS 531 TUBING (CHROMOLY)
NOS - THE REAL DEAL
RARE ITEM!!!

19-9502-W

TWIST GRIP B44GP QUICK ACTION THROTTLE, 1/4 TURN
BLACK NYLON BODY
COMES WITH BOTH ORIGINAL WASSELL GRIPS
MADE IN THE UK BY W.E.WASSELL LTD
THIS IS A WASSELL COPY OF THE SACKVILLE THROTTLE THAT WAS ORIGINALLY USED ON THE B44GP AND OTHER MX DIRT BIKES OF THE ERA
NOS

GRIP-SCRAMB

GRIP SET, RIGHT AND LEFT SIDES 7/8" HANDLEBARS
VINTAGE SCRAMBLES WAFFLE GRIP FROM BACK IN THE DAY
B44GP
NOS
AKA 19-9502 19-9503