1977-1983 Yamaha DT/MX Series Singles Repair Manual Clymer M412

27 Jan 2015 | Author: | Comments Off on 1977-1983 Yamaha DT/MX Series Singles Repair Manual Clymer M412
Yamaha DT 125 MX

Yamaha DT100, DT125, DT175, DT250, DT400, MX100, MX175 Repair Manual 1977-1983

Item Description Table of Contents Specifications

The 1977-1983 Yamaha DT/MX Series Singles off-road bike repair manual by Clymer, covers the following dirtbike models:

Yamaha DT100, 1977-1983

Yamaha DT125, 1978-1981

Yamaha DT175, 1978-1981

Yamaha DT250, 1977-1979

Yamaha DT400, 1977-1978

Yamaha MX100, 1979-1983

Yamaha MX175, 1979-1981

Book Excerpt: 1977-1983 Yamaha DT100, DT125, DT175, DT250, DT400, MX100, MX175 Repair Manual

PREPARING BIKE FOR STORAGE Careful preparation will minimize deterioration and make it easier to restore the bike to service later. Use the following procedure.

Wash the bike completely. Make certain to remove all dirt in all the hard-to-reach parts like the cooling fins on the head and cylinder.

Completely dry all parts of the bike to remove all moisture. Wax all painted and polished surfaces, including any chromed areas.

Run the bike for about 20-30 minutes to warm up the oil in the clutch and transmission. Drain the oil, regardless of the time since the last oil change. Refill with the normal quantity and type of oil.

Drain all gasoline from the fuel tank, the interconnecting hose and the carburetor. Leave the fuel shutoff valve in the ON position.

As an alternative, a fuel preservative may be added to the fuel. This preservative is available from many motorcycle shops and marine equipment suppliers.

Lubricate the drive chain and control cables: refer to specific procedures in this chapter.

Remove the spark plug and add about one teaspoon of SAE 10W/30 motor oil to the cylinder.

Reinstall the spark plug and without starting the engine turn the engine over to distribute the oil to the cylinder walls and piston.

Depress the engine kill switch to prevent it from starting during this procedure.

TIRE REPAIRS Every rider will eventually experience trouble with a tire or tube. Repairs and replacement are fairly simple and every rider should know the techniques.

Patching a motorcycle tube is only a temporary fix. The tire flexes too much and the patch could rub right off. However, a patched tire will get you far enough to buy a new tube.

TIRE REPAIR KITS Tire repair kits can be purchased from motorcycle dealers and some auto supply stores. When buying, specify that the kit you want is for motorcycles.

There are 2 types of tire repair kits:

Hot patch

Cold patch

Hot patches are stronger because they actually vulcanize to the tube, becoming part of it. However, they are far too bulky to carry for roadside repairs and the strength is unnecessary for a temporary repair.


Yamaha DT 125 MX

General Information


Lubrication, Maintenance and Tune-up


Clutch and External Gearshift Linkage

Transmission and Internal Shift Mechanism

Fuel and Emission Systems

Exhaust System

Electrical System

Wheels, Tires and Drivetrain

Front Suspension and Steering

Rear Suspension


Body and Frame

Wiring Diagrams

Subject: 1977, 1978, 1979, 1980, 1981, 1982, 1983 Yamaha DT100, DT125, DT175, DT250, DT400, MX100, MX175 service, maintenance, repair. ISBN-10: 0892873310 | ISBN-13: 9780892873319 | Clymer M412

Yamaha DT 125 MX
Yamaha DT 125 MX
Yamaha DT 125 MX
Yamaha DT 125 MX
Yamaha DT 125 MX

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