Yamaha
1984 Yamaha YZ IT Motocross Race Preparation & Tuning Manual
1984 Yamaha YZ IT Motocross Race Preparation & Tuning Manual
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Yamaha Motocross Race Preparation & Tuning Manual
Provided in PDF form, in English Language, this is used along with the specific manual made for your bike to provide guidance in the use of special tools and techniques used in the service and repair of all Yamaha Mono-Cross Suspension, on the Yamaha models listed below, as well as other later models...
YZ80 - YZ 80
YZ125 - YZ 125
YZ250 - YZ 250
YZ490 - YZ 490
IT200 - IT 200
IT490 - IT 490
Provided is the PDF Yamaha Motocross Race Preparation & Tuning Manual, issued in 1984. Total of 35 pages.
Sample pages are shown in the product pictures.
Features Following Chapters...
- Race Preperation
- Fuel
- Engine Mixing Oil
- Transmission Oil
- Coolant
- Air Filter Service
- Break-in
- Lubrication
- Preparation Checks
- Carburetor Tuning
- Some Basics
- Symptoms of Improper Settings
- Making Setting Changes
- Main Jet
- Jet Needle & needle jet
- Throttle Valve
- Pilot Jet & Pilot Air Screw
- Examples
- Spark Plug
- Spark Plug Reading
- Spark Gap
- Tightening Torque
- Heat Range
- Spark Plug Heat Range Comparison
- Gearing
- Selection of Secondary Reduction Ratio (Sprocket)
- Front Fork
- Oil Level
- Oil Level Adjustment
- Fork Oil Weight
- Compression Damping
- Fork Spring
- Air Pressure
- Fork Clamp Position
- Rear Shock (Monocross Suspension De Carbon System)
- Spring Preload
- Spring Replacement
- Rebound Damping
- Compression Damping
- Gas Pressure
- Tire Pressure Adjustment
- Troubleshooting Improper Settings
- Symptoms of the front forks
- Symptoms of the rear shock
- Determining the proper settings
- Readjustment of the suspension
- Front & Rear Compatibility
- General Symptoms & Remedy
Manual File Delivery
Manual File Delivery




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Electronic File Delivery
Our products are all delivered digitally, via auto generated download links. This is populated once you have completed your checkout process.
File TypesMost files provided in these products are in PDF format, and need a program such as Adobe Acrobat to be read on PC, but can also be read on any tablet, iPad, Phone or any other device which can download files and open PDF files.
Some files are also supplied in other formats, which may be pictures in JPG format or such like.
Manual File Quality
Most of the manuals found on this site will have been scanned from hard copy.
Some of these are not available at all, and so may be scans of photocopied files of the original manual.
This is the nature of the problem in finding literature to help support ongoing use and maintenance of older machines.
Files will have been cleaned up and made easier to use where appropriate.
Many of these files may be available from other sources, but what we offer here is a central source for many of the files available, most of which in a more usable format.
Shipping
We do not provide hard copy manuals at all.Only electronic versions of all of the files are supplied, which allows for instant download and availability.
As well as the Service & Workshop Manuals we list, there may also be additional support files such as Owners Manuals available for your model also. These will be linked to the Service / Workshop Manual page if available.