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Click the buttons for the motorcycle brand to find the manual & wiring diagrams you need
Kawasaki Rotary Valve model identification guide
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Chinese clone engines
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Repair, Service manuals, wiring diagrams, caruburetor specifications
 and other helpful documents

This page will be dedicated to any service or repair info I have in my library.  This page will always be changing as I add or update more information to it.  Most information will be images or scans of documents, service manuals and other repair literature that I find helpful.  I have gotten a lot of requests for certain things like wiring diagrams, tuning procedures, carburetor specifications that can only be reliably found in printed documents.  The service specifications listed here covers many popular and obscure Honda, Yamaha, Suzuki, and Kawasaki motorcycles.  Also some information can apply to Chinese "clone" engines from ATVs, pit bikes and scooters that use the popular Honda horizontal and vertical engines.  As I come across common questions or requests I may posts visual documents here.  Use this information as you wish and I accept no liability for it's use.  Captions below describe the information or models it covers.  The information posted here is at random and with no cataloging.  Click to view a larger image. Scroll down for some downloadable files.  If you have a request please leave a comment at the bottom of the page and I will do my best to find and post it, but no guarantees ;)  Use the search bar to aid in finding information.
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motorcycle tools
Check out the tools you should have for working on your machine

Downloadable service manual files

Ever wonder what those numbers mean on an NGK brand spark plug?
ngk_spark_plug_number_explanation.pdf
File Size: 210 kb
File Type: pdf
Download File

Carburetor rebuild explained help file
Carb Rebuild Help.pdf
File Size: 49 kb
File Type: pdf
Download File

Honda C72 C77 CA72 CA77 owners manual
honda_c72_c77_ca72_ca77_owners_handbook.pdf
File Size: 7233 kb
File Type: pdf
Download File

Kawasaki KZ400 carburetor specifications (carb specs)
1978-1981 KZ400 carburetor specifications pdf
File Size: 1404 kb
File Type: pdf
Download File

Bridgestone 175 dual twin
Bridgestone 175 dual twin service manual pdf
File Size: 5967 kb
File Type: pdf
Download File

Honda XR50 CRF50 owners manual
xr_50_crf_50_owners_manual.pdf
File Size: 2517 kb
File Type: pdf
Download File

Honda CB750 wiring diagram
honda_cb750_wiring_diagram.pdf
File Size: 1965 kb
File Type: pdf
Download File

Click the picture for in depth ignition (spark) problems and diagnosis

timing points type ignition
Typical points type ignition
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Another typical points type ignition system #8 is the contact breaker (points) #9 is the condenser #4 source or primary coil (for generating the spark) #5 lighting/charging coli
Thanks for the support!
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Buy your service manuals here, and support the site!

VARIOUS MAKES AND PARTS

Kawasaki F11 Performance pages

1969 Kawasaki Green Streak 238 F21M magazine test
Boge Mulholland shock rebuild and model specification information
boge mulholland
Boge Mulholland shock information (click the image)
bassani logo
Vintage Bassani exhaust information (click the image)
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Vintage Hooker 2 stroke exhaust information (click image)
motorcycle clutch assembly
Typical motorcycle clutch assembly/layout found on most manual clutch motorcycles, Kawasaki F7 unit shown
Motorcycle, ATV, Tractor manuals written especially for the DIY enthusiast
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  • Home
  • How To Videos
  • Barn Fresh restoration
  • Toy Restorations
  • About the Junkman
  • The Junk Man's Blog
  • Service manuals
    • Kawasaki Service manuals
    • Suzuki Service Manuals
    • Yamaha Service Manuals
    • Honda Service manuals
    • Chinese clone engines
    • Hodaka
    • Impac Industries
  • JMG Behind the scenes
  • Media apperances
  • Current Sponsors