ENGINE & TRANSMISSSION REBUILD

We're often asked how much it will cost to rebuild an engine.  We don't have a
set price as every engine is different.  Our examples below (scroll down) indicate
the approximate cost $ for that particular job.  Our labor rate is $90 per hour.  
Turn around time = 3 months.  
work unless we do an entire engine rebuild on a complete bike with properly
functioning brake, steering, wheels & electrical systems
ride, tune & synchronize our work with the rest of the bike - EXCEPTION is Honda 
CB750 SOHC (early 70s) engines.  We have a test stand only for SOCH engines so the
entire bike will not be needed.  Stock carbs must be provided & will be rebuilt (at an
additional cost) along with the engine and anything else that's wrong with the bike.
prior to test riding. Stock Carburetors will be rebuilt along with the engine at an 
additional cost.
they will require cylinder boring, new piston(s) & new rings.  2-strokes used for 
highway use (over 45 mph) will NOT be accepted.

Want us to rebuild your engine?  Before contacting us, familiarize yourself with our
prices (see Directory or simply scroll down), Estimate Process$180 Estimate Fee
Restoration Agreement.  When you're ready to proceed, contact us via email
(info@rcycle.com) with detailed answers to the following questions AND detailed 
photos of the motorcycle and engine:

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The engine is ready for its first test run & fine tuning.
To see & hear the engine run, click here.
Do you wwn an early British bike or BMW?  Wondering if you should bother going into the bottom end and having the sludge trap cleaned or oil slinger serviced?  Take a look at what we found in a recent bottom end service on 1972 Triumph Bonneville T120R.                                                        
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Notice how the sludge trap opening is almost completely filled.  Had this completely filled and not been cleaned out, oil would not be able to reach the rod bearings and could cause serious engine damage.
    The final step in our total engine rebuilding is to run/start the engine & create a video. 
    This intensive, 100% rebuild with paint, polishing, re-chroming & many new parts = 34 labor hours. 
The shiny bits you see in this debris are tiny metal shavings from the internals of the engine such as bearing material.
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Some of the many parts that make up a Honda CB750 engine. Parts have been cleaned & bead blasted
1970 Honda CB750 KO enginecomplete rebuild - top & bottom @ $4,500 US project
Disassembly of the engine
Randy taping the engine prior to painting


Reassembly of the engine
We created several 
1-minute videos to 
keep our customer 
current on the progress of the rebuild.  

Video 1 & 2 shows the 
many parts from the engine.  

Video 3 shows the engine reassembled.  

Video 4 is of the engine running on our own custom- designed engine test stand.  


To View All our motorcycle videos on YouTube.com, 
click here.




The completed, painted & polished engine.
To see several more pictures of this engine rebuild, click here.
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Separated by over 35 years, but the Technology is still the same ...
Example of Primary Chain designs
1969 Royal Enfield Interceptor 750
2005 Harley Davisdon Road King
Directory of Engine Work

Below is a sample of the engines we've worked on. We service all makes & models.  
Pricing is an estimate, not a final amount.
Carburetors must be provided and will be rebuilt along with the engine for an additional cost.
For more examples of the various bikes we've serviced & restored, visit Restoration.

* Examples below are Not for Sale *


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This is what it means to "split the cases."  
Bottom end engine cases, connecting rods, and the oil pump. 
Below that is the cylinder head, piston & piston pins from a 1972 Triumph Bonneville T120R which took 18 hours to remove from the frame, re-build, and re-install.
@ $3,000 US project
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Complete engine (top & bottom) rebuild & transmission rebuild of a 1980 Suzuki GS 1000 took 20 hours of labor + parts
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Push Rod Seals on a British bike (and some Harley & a few early Japanese) can be mistakenly pinched or squashed during installation and lead to annoying, oily leaks.  
We carefully choose the correct sizes and install our top & bottom seals to be sure they do not
pinch or tear during installation.
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Setting the Ignition Timing on a 1972 Triumph Bonneville T120R
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Top end engine rebuild on a 1978 Yamaha DT 175E took 7 hours + parts @ $1,200 US
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Top end Engine rebuild of a 1972 Honda CB750 K2 Four.  It was rebuild for a restoration that took over 7 months to complete.  The engine rebuild required 25 hours of labor & included a review of the clutch & transmission.  @ $4,500 project
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Before
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Oil pump service
Complete engine rebuild (top & bottom) of a 1967 BSA Spitfire Mark III
This rebuild took 16 hours + parts @ $2,500 US
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BEFORE
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.
New
Bearings


Old
Bearings
Top end engine rebuild of a 1977 Kawasaki KZ1000 A-1.  This rebuild took 14 hours + parts @ $2,500 US
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Polished covers
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Randy organizing the engine valves
& springs
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Complete Engine rebuild of a 1969 Triumph Bonneville T120R.  The bike had been "restored" by another shop, but after only 3 miles, the engine leaked oil so badly the customer brought it to us to be rebuild.  The customer had the crank shaft balanced by House of Balance in Maryland.  When it returned to us, this top & bottom end engine rebuild with engine case polishing required 19 hours of labor + parts.  @ $3,500 US project
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Engine cases after being cleaned                                      Randy installing new bearings
crankshaft & parts to be sent out for balancing
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Timing gears being removed
Bottom end engine cases
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Getting ready to go back into frame
Timing gear & oil pump lubricated
Clutch basket & belt drive primary
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Complete engine rebuild of a 1971 Honda CL350 K3.  Click HERE to see a 3-minute video discussing the engine disassembly and engine parts.  This rebuild took 16 hours + parts @ $2,500 US
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Painted & clear coated engine covers
Clean, organized & ready for re-assembly
Complete top & bottom engine rebuild with full cosmetics & 
performance work + carburetor rebuild
1974 Honda CB750 K4 with Wiseco 836 Big Bore Kit
This rebuild is estimated to take 50 hours + parts @ $6,500 US
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Complete top & bottom engine rebuild
(no polishing) of a 
1968 Triumph Bonneville T120R 

The reason this engine is being profiled is because it was "rebuilt" by a professional motorcycle mechanic.  Our pictures will illustrate the difference between their version of a rebuild and our version of an engine rebuild.
This rebuild is estimated to take 18 hours + parts @ $3,000 US
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Doesn't look that bad, does it?
1977 Honda GL1000 Goldwing engine rebuild - no cosmetics
This rebuild took 22 hours + parts @ $3,500 US
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Randy seen here polishing the crankshaft journals
Cylinders freshly honed
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Water in the transmission
1969 BSA Rocket III top end with transmission work & engine cover polishing
This rebuild took 15 hours + parts @ $2,500 US
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Website created and managed by Ursulina Creel.  Comments? Send to info@rcycle.com
This page was last updated on: February 14, 2018
Website & video content is the property of Randy's Cycle Service & Restoration & may not be used for any reason without prior, written permission.
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Go to this page for more details including a 5.3 minute video:  
1974 Honda CB750 K4 with Wiseco 836 Big Bore Kit
A cylinder being bored (at our shop) to fit the Wiseco big bore kit
1965 Honda CA100 Sport 50
This rebuild took 4 hours + parts @ $700 US
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1982 Kawasaki GPZ 550
This complete mechanical & cosmetic engine restoration & carburetor rebuild
will take 37 hours of labor + parts @ $5,000 US
1982 Kawasaki GPZ 550
@ $3,500 US project
1975 Honda CB750 K5 Four
this complete mechanical & cosmetic engine restoration & carburetor rebuild
will take 28 hours of labor + parts costing @ $3,500 US
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Videos made of this engine rebuild
  • more videos to come so stay tuned!
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Located in beautiful Central Virginia since 2001
8175 Black Walnut Run Road, Rhoadesville, VA 22542 USA

Service by Appointment ~ Closed Sun, Mon & Thur

The Mid-Atlantic Region Premier Restorer of 
Vintage Motorcycles from the 50s, 60s & 70s