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Short block motors are back!
Short Block #1

This motor is a late Honda CB750 (77-78).

Labor:
Disassemble, clean, inspect, remove cylinder studs, soda blast and clean again.

Line lap the engine cases:
 Description on this machine shop procedure on the machine shop page.  Clean again.

Lightened crankshaft:
The crankshaft started off as a APE lightened crankshaft. (21 pounds) The sludge traps (blind oil holes) were cleaned. The oil holes were relieved and the rod and main journals were micro polished. The crankshaft was rebalanced to within .5 grams from the center line.

Connecting rods:
Cryogenically treated heavy duty R.P.E connecting rods. (328 grams each) The connecting rods and case main bearings were fitted with race proven dry film coated bearings (greens).

Transmission:
The transmission is stock and in perfect condition. It has been disassembled and reassembled with new clips and new transmission bearings throughout.

Chain wheel:
The motor also was fitted with a rebuilt, reconditioned chain wheel with new bearings and rubber cush drive rubbers.

Chains:
The OEM Honda primary chains (RK) were cryogenically treated to add approx four times the longevity. The super rare Tsubaki flat side plated chains are the choice of many top engine builders worldwide. To make the Tsubaki chains even better, they have been cryogenically treated too.
Honda OEM primary tensioner is installed.

Misc. "O" rings, oil seals, knock pins and hardware were included.

RF-90

Call or e-mail to order. One (1) available.

 

 

 

 

 

 

Short block motors are back!
Short Block #2

This motor is a late Honda CB750 (77-78).

Labor:
Disassemble, clean, inspect, remove cylinder studs, soda blast, clean again and paint with ceramic heat proof gloss black paint.

Line lap the engine cases:
 Description on this machine shop procedure on the machine shop page.  Clean again.

Stock weight Cycle X crankshaft:
The crankshaft started off as a low mile nearly perfect crankshaft. The sludge traps (blind oil holes) were cleaned. The oil holes were relieved (cupped) with  the rod and main journals were micro polished. The crankshaft was rebalanced to within .5 grams from the center line.

Note: All of our crankshafts are balanced within .5 grams from the center line.

Connecting rods:
The stock connecting rods were inspected, measured and fitted with new F2 connecting rods bolts.

Rod and main crankshaft bearings:
Green rod bearings. (OEM Honda)
Green main crankcase bearings. (OEM Honda)
 
Transmission:
The transmission is stock and in perfect condition. It has been disassembled and reassembled with new clips and new transmission bearings throughout.

Chain wheel:
The motor also was fitted with a rebuilt, reconditioned chain wheel with new bearings and rubber cush drive rubbers.

Chains:
The OEM Honda primary chains (RK) were cryogenically treated to add approx four times the longevity. The cam chain is a Japanese EK. To make the EK chain even better, they have been cryogenically treated too.
Honda OEM primary tensioner is installed.

Misc. "O" rings, oil seals, knock pins and hardware were included.

RF-91

Call or e-mail to order. One (1) available.

 

Short block Honda CB750 motor for Sale
The short blocks motors are back!
The following motors are offered in various stages of completions for your budgets or skill levels (more to come)
Parts:
Deluxe crankshaft work including:
Bigger connecting rod oil holes and cupped for race proven benefits.
Micro polished journals with the Cycle X balancing procedure that is measured 1 inch from the center line within 1 gram.
Stock refurbished connecting rods.
These connecting rods have been inspected and upgraded with 77-78 F2/F3 bolts.
The connecting rods are measured and the proper bearing color codes are final assembled.
Pro-cut transmission.
Our double-cut transmission assemblies have been used world wide by racers and street life enthusiasts.
Transmission bearing kit.
Cryo treated primary chains and cam chain.
Race proven, molecular realignment that can increase life expectants from 200% to 400%. (Yes, it's true.)
Honda OEM cam chain tensioner and components.
Cycle X primary chain tensioner.
Refurbished oil pump.
Our oil pumps have been inspected and reconditioned with complete rebuild kits.
Balanced alternator. (Stock weight)
Once again, these critical engine components are balanced to absolute perfection.
Heavy duty cylinder studs.
These studs are a must and ours are the best.
Honda OEM crankshaft main bearings.
The OEM Honda crankshaft main bearings were installed after the case alignment process was completed.
Cycle X version of Honda OEM clutch plates.
Race proven. Great stuff.
Triple coated .050 piston set with wrist pin buttons.
Thermal barrier, armor glide and piston hardener coating processes applied.
3 piece oil rings for oil control and chrome top rings for unleaded fuels of today.
Oil seal kit, misc. "O" rings, clutch shims and shop supplies.


Machine work:
Main bearing case alignment procedure.
This procedure is a must and is done on every motor.
Deluxe bore and hone.
Perfect.
Chain wheel complete rebuild with balancing.
This is one of the procedures that many engine builders overlook.
A combination of a rebuilt chain wheel and balancing the clutch hub and chain wheel together makes for a happy motor.
Vapor blasted and glass beaded parts.

 Part # Shorty B    

 Call or e-mail to order.


 

 

 

Super Short block Honda CB750 motor for Sale
The super short blocks motors are back!
This particular motor was selected because the case alignment and internal components were about as perfect as we have seen in a long time.

Parts:
Deluxe crankshaft work including:
Bigger connecting rod oil holes and cupped for race proven benefits.
Micro polished journals with the Cycle X balancing procedure that is measured 1 inch from the center line within 1 gram.
Stock refurbished connecting rods.
These connecting rods have been inspected and upgraded with 77-78 F2/F3 bolts.
The connecting rods are measured and the proper bearing color codes are final assembled.
Pro-cut transmission.
Our double-cut transmission assemblies have been used world wide by racers and street life enthusiasts.
Transmission bearing kit.
Cryo treated primary chains and cam chain.
Race proven, molecular realignment that can increase life expectants from 200% to 400%. (Yes, it's true.)
Cycle X primary chain tensioner.
Honda OEM crankshaft main bearings.
The OEM Honda crankshaft main bearings were installed after the case alignment process was completed.
Cycle X version of Honda OEM clutch plates.
Race proven. Great stuff.
Oil seal kit, misc. "O" rings, clutch shims and shop supplies.


Machine work:
Main bearing case alignment procedure.
This procedure is a must and is done on every motor.
Chain wheel complete rebuild with balancing.
This is one of the procedures that many engine builders overlook.
A combination of a rebuilt chain wheel and balancing the clutch hub and chain wheel together makes for a happy motor.
Vapor blasted and glass beaded parts.

 Part # Super Shorty B    

 Call or e-mail to order.


 

 

Super Short block Honda CB750 motor for Sale
The super short blocks motors are back!
This particular motor was near perfect and to try to meet all budgets, everything in the lower end has been refurbished and machined except for the crankshaft area.

 

Parts:
Pro-cut transmission.
Our double-cut transmission assemblies have been used world wide by racers and street life enthusiasts.
Transmission bearing kit.
Cycle X primary chain tensioner.
Cycle X version of Honda OEM clutch plates.
Race proven. Great stuff.
Oil seal kit, misc. "O" rings, clutch shims and shop supplies.

 

Machine work:
Main bearing case alignment procedure.
This procedure is a must and is done on every motor.
Chain wheel complete rebuild with balancing.
This is one of the procedures that many engine builders overlook.
A combination of a rebuilt chain wheel and balancing the clutch hub and chain wheel together makes for a happy motor.
Vapor blasted and glass beaded parts.

Part # Super Shorty B Budget    

Call or e-mail to order.


 

 

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Cycle X Global Headquarters

6246 US Hwy 51 South

Hazelhurst, WI 54531

Phone: 715-356-7346

Email: hotrodcyclex@gmail.com