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HEY! TURN YOUR 90CC INTO A 120CC<p>SPECIAL BUILD SERVICE FOR YOUR CRANK AND CYLINDER<p>120CC KIT FOR STOCK OHV 90'S 1979 AND OLDER ENGINES<p>ATC90 CL90 CM91 CT90 S90 SL90 ST90

BEST PART OF THIS BUILD SERVICE IS YOUR ENGINE WILL LOOK JUST AS STOCK AS WHEN IT ROLLED OFF THE SHOW ROOM FLOOR.. BUT IT WILL CRUZE AT NOT 40MPH, BUT 55+MPH

FOR THIS SERVICE YOU WILL NEED TO SEND US "YOUR" GOOD USED CORE CRANKSHAFT AND CYLINDER, ON YOUR DIME. PACK IT SO THE FINS AND THREADS DO NOT GET DAMAGED!! THINK ABOUT THE SHIPPING PEOPLE, THEY MAY DECIDE TO SHOOT A FEW BASKETS WITH YOUR PACKAGE.... (SO PACK THEM WELL!!) (I LIKE TO SEE BOTH ITEMS INDIVIDUALLY WRAPPED IN TOWELS)

WHEN WE GET THEM IN, WE WILL STROKE YOUR CRANK OUT TO +6MM LONGER STROKE. THIS PROCESS INCLUDES A NEW CONNECTING ROD, ROD BEARING, CRANK PIN AND RADIAL BALL BEARINGS INSTALLED.

NOTE !! THIS CRANK, PISTON AND HEAD GASKET MUST BE USED AS A SET !!

THEN WE BORE YOUR CYLINDER OUT TO OUR SPECIAL 54MM PISTON KIT, SAND BLAST IT THEN PAINT IT.

THEN WE PACK THEM ALL UP WITH OUR SPECIAL PISTON KIT , SPECIAL HEAD GASKET, PERFORMANCE CAM AND RETURN VIA HOW YOU PICKED FOR SHIPPING WHEN YOU ORDERED THIS BUILD SERVICE.

YOU MUST USE THE SPECIAL HEAD GASKET, BUT OTHERWISE ALL THE STOCK GASKETS WORK FINE

I KNOW, WHAT DO YOU DO WITH THE CARB, WELL,, SO MANY OPTIONS

MY THOUGHTS WAS TO KEEP THE BIKE AS A SLEEPER BIKE (TOTALLY STOCK LOOKING). SO WE ONLY TESTED WITH ALL THE STOCK INTAKE FROM THE BACK OF THE CARB TO THE REAR RACK AND THE STOCK EXHAUST

WE TESTED WITH:

1. STOCK CARBS AND BIGGER MAIN JET, THIS WORKED FINE , WAY MORE POWER THAN STOCK

2. AFTERMARKET 19MM CARB - ABOUT THE SAME AS STOCK MAYBE A BIT MORE HP

3. 22MM CT110 TYPE AFTERMARKET CARB,, YA BABY WITH AROUND ABOUT #82 MAIN JET ADDED THE CT110 BOOT (LOOKS_STOCK) TO AIRFILTER AND GOT MY 55MPH+ CRUZE GOAL

I KNOW WITH A DIFFERENT CARB, K&N FILTER BIG EXHAUST WAY WAY MORE HP WOULD BE POSSIBLE, (PLEASE) SHARE YOUR STORYS ABOUT YOUR COMBOS OF CHOICE AND THE OUTCOMES

SCROLL DOWN FOR DETAILS IN PICTURE FORM (:



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HERE IS OUR SHIPPING ADDRESS


SPECIAL 54MM PISTON KIT, STRONGER, LESS FRICTION


SPECIAL 54MM PISTON KIT, STRONGER, LESS FRICTION


SPECIAL THIN HARD RACING TYPE RINGS


RING SPACING ON PISTON


LATE MODEL CYLINDER AFTER BORE AND PAINT


EARLY TYPE CYLINDER AFTER BORE AND PAINT


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SPECIAL COPPER HEAD GASKET, LATE MODELS

EARLY TYPES USE AN ALL ROUND NO 4 POINTS


PERFORMANCE CAM


A FINISHED ATC90 +6 MM STROKER CRANK


A FINISHED CT/CL/CM/ST/SL/S 90 +6MM STROKER CRANK


STOCK VS STROKER CRANK COMPARISON


STOCK VS STROKER CRANK COMPARISON


STOCK VS STROKER CRANK COMPARISON


ALL_CT110 ALL_ATC110 ATC125M_84_&_85 22MM_CARB  (22MMCT110)
CT110_ALL_YEARS CT110_CARB (22MM/313M)
*ALL_OEM_CT110 CARB_&_CABLE_SET WORKS FOR ALL YEARS (321X/321L) temp out of stock
**BOOT CARB_TO AIR_CLEANER CT110 1/16M (42C)
*_#12_CLAMP BACK_OF_CARB READ_DISCRIPTION 1/16M (203C)
KEIHIN_STYLE SMALL_ROUND MAIN_JETS  1978_to_1994<p>ATC70_CT70_TRX70 XR70_CRF70 CT110_TRX90  Z50A_K0_TO_K2<p>(C70_1980_to_83) (CT90K0_CM91) (CT90_1978/1979) temp
MAIN JET (SOLD_EACH) PICK SIZE #62 TO #80 (ALL_ATC90)  (CT90K1_TO_1977) (ALL_ST90)
ALL_CT110 ALL_ATC110 ATC125M_84_&_85 22MM_CARB (22MMCT110)

ALL_CT110 ALL_ATC110 ATC125M_84_&_85 22MM_CARB (22MMCT110) 22MMCT110$99.99
CT110_ALL_YEARS CT110_CARB (22MM/313M)

CT110_ALL_YEARS CT110_CARB (22MM/313M) 22MM/313M$129.99
*ALL_OEM_CT110 CARB_&_CABLE_SET WORKS FOR ALL YEARS (321X/321L) temp out of stock

321X/321L$229.99
**BOOT CARB_TO AIR_CLEANER CT110 1/16M (42C)

42C$32.95
*_#12_CLAMP BACK_OF_CARB READ_DISCRIPTION 1/16M (203C)

203C$5.95
KEIHIN_STYLE SMALL_ROUND MAIN_JETS 1978_to_1994

ATC70_CT70_TRX70 XR70_CRF70 CT110_TRX90 Z50A_K0_TO_K2

(C70_1980_to_83) (CT90K0_CM91) (CT90_1978/1979) temp

KEIHIN_STYLE SMALL_ROUND MAIN_JETS 1978_to_1994

ATC70_CT70_TRX70 XR70_CRF70 CT110_TRX90 Z50A_K0_TO_K2

(C70_1980_to_83) (CT90K0_CM91) (CT90_1978/1979) temp KEI-JET$3.99SIZE: 

MAIN JET (SOLD_EACH) PICK SIZE #62 TO #80 (ALL_ATC90) (CT90K1_TO_1977) (ALL_ST90)

MAIN/LG/RD$6.99PICK_SIZE_HERE: