Two-Stroke Motorcycles: 1960s to Mid-1970s Repair Manual by Clymer

Vintage 2-Stroke Motorcycles 1960s-70s Repair Manual
Vintage 2-Stroke Motorcycles 1960s-70s Repair Manual
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Item Description

This repair manual is a great source of repair and maintenance information for vintage bike collectors, owners and do-it-yourself restorers.

Packed with tips and techniques for most 2-stroke engines over 85cc. Covers Allstate, Benelli, Bridgestone, Broncco, BSA, Bultaco, Ducati, Garelli, Harley, Hodaka, Honda, Kawasaki, Maico, Montesa, Moto Beta, Ossa, Puch, Rex, Sachs, Suzuki, Villiers, White, and Yamaha.

Clymer motorcycle repair manuals can help do-it-yourself mechanics save you money on maintenance and repair expenses. Coverage in these books range from basic scheduled maintenance chores to advanced repairs such as engine rebuild, electrical system troubleshooting, brake system service and more.

Book Excerpt: Two-Stroke Motorcycles: 1960s to Mid-1970s Repair Manual


In any spark ignition engine, the spark plug provides the means for igniting the compressed fuel-air mixture in the cylinder.

Before an electric charge can move across an air gap, the intervening air must be charged with electricity, or ionized. The spark plug gap becomes more easily ionized if the spark plug ground (G4 - Fig. 1-18) is of negative polarity.

If the spark plug is properly gapped and the system is not shorted, not more than 7,000 volts may be required to initiate a spark.

Higher voltage is required as the spark plug warms up, or if compression pressures or the distance of the air gap is increased.


The threaded, shell portion of the spark plug and the attaching holes in the cylinder are manufactured to meet certain industry established standards.

The diameter is referred to as "Thread Size." Those commonly used are: 10MM, 14MM, 18mm, 7/8 inch and 1/2 inch pipe.


The bulk of carburetor service consists of cleaning, inspection and adjustment. After considerable service it may become necessary to overhaul the carburetor and renew worn parts to restore original operating efficiency.

Although carburetor condition affects engine operating economy and power, ignition and engine compression must also be considered to determine and correct causes.

Before dismantling carburetor for cleaning and inspection, clean all external surfaces and remove accumulated dirt and grease.

If fuel starvation is suspected, all filters in carburetor, shut-off valve and tank should be inspected. Because of inadequate fuel handling methods, rust and other foreign matter may sometimes block or partially block these filters.

Under no circumstances should these filters be removed from the fuel system.

Subject: 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975 Two-Stroke Motorcycles service, maintenance, repair. ISBN-10: 0872883868 | ISBN-13: 9780872883864 | Clymer VCS2

  • Publisher: Clymer Series / Haynes Manuals
  • Pages: 352 - Hundreds of b&w photos and illustrations
  • Binding: Paperback - 8.25 x 10.75 inches
  • ISBN: 978-0-87288-386-4
Table of Contents
TABLE of CONTENTS: GENERAL Engine Design Fundamentals: Operating Principles | Service Fundamentals: Troubleshooting, Maintenance, Repairs, Frame and Components | Metric Conversion Table | Degree Wheel. SINGLE CYLINDER MODELS ALLSTATE: Allstate 150, Sears 150 BENELLI: Cobra, California, Scrambler BRIDGESTONE: 90 Standard, Trail, Mtn., Sport, 100, Sport, GP, TMX BRONCCO: TX-9 BSA: D1, D7 BULTACO: 100, 125, 175, 200, 250 DUCATI: 100 Cadet, 100 Mountaineer GARELLI: KL100, KL100A, KL100M HARLEY-DAVIDSON: 125, Hummer, Ranger, Pacer (BTU), 165, Super 10, Pacer (BT), Scat HODAKA: Ace 90, Ace 100, 100B, Dirt Squirt, Super Rat (100 MX), 125 Wombat, 125 Combat Wombat HONDA: CR125M, MT125, CR250M, MT250 KAWASAKI: D1, C2SS, C2TR, MC1, MC1M, G3SS, G3TR, G31M, G3TR-100, G4TR, G5, KS 125, KX125, F1, F1TR, F2, F2TR, F3, F4, F21M, F5, F6, F7, F8, F81M, F9, F11, F11A MAICO: 250, 360, 400, 501 MONTESA: 125, 175, 250, 360 MOTO BETA: XC100 Enduro Raider MX OSSA: 160, 175, 250 PUCH: 125, 175 REX: (See GARELLI) SACHS: K-103, 100/4, 1001/5A, 1001/6A, 1001/6B, 1251/5A, 1251/6A, 1251/6B, 1251/6C SUZUKI: TS90, TC90, TS100, TC100, A100, AS100, AC100, B100-P, B105-P, TC120, TS125R, TS125J, TS125K, TC125J, TC125K, TM125K, TS185R, TS185J, TS185K, TS250, TS250II, TS250R, TS250J, TS250K, TM250J, TM250K, TM400, TS400. VILLIERS: 3K, 4F, 6F, 9F, 31C, 2L, 3L, 9E, Mark 31A, 32A, 34A, 35A, 36A WHITE: 250 Shooting Star, 250 Super Sport YAMAHA: YL-2, YL-2C, YA-6, L5T, HT1, HT1-B, HT1B-MX, AT1, AT1B, AT1C, AT1-M, AT1B-MX, AT1C-MX, CT1, CT1B, CT1C, LT2, LT3, DT100A, LT2M, LTMX, MX100A, AT2, AT3, DT125A, AT2M, ATMX, MX125A, CT2, CT3, DT175A, MX175A, DT1, DT1B, DT1C, DT1E, DT1-MX, DT1C-MX, DT1E-MX, RT1, RT1B, RT1-MX, RT1B-MX, DT2, DT3, DT250A, DT2-MX, MX250, MX250A, RT2, RT3, DT360A, RT2-MX, MX360, MX360A, SC500, SC500A MULTI-CYLINDER MODELS ALLSTATE: 175, 250 BRIDGESTONE: 175 Dual Twin, 175 Hurricane Scrambler, MII SS, MII RS, 350 GTO, 350 GTR KAWASAKI: A1, A1SS, A7, A7SS, A1-R Road Racer, A7-R Road Racer, S1, S1-A, S1-B, S2, S2-A, S3, H1, H1-B, H1-C, H1-D, H1-E, H2, H2A, H2B SUZUKI: T125, T125II, T125R, Adventurer GT-185K, GT-185L, T10, Olympian S32-2, X-5 Invader, X-5 Stingray, T200, TC200, X-6 Hustler, X-6 Scrambler, T20, TC250, T250 (X-6R), T250II, T250R, T250J, GT250K, GT250L, T305, TC305, T350, T350II, T350R, T350J, GT380J, GT380K, GT380L, T500, T500II, T500III, T500R, T500J, T500K, T500L, GT550J, GT550K, GT550L, GT750J, GT750K, GT750L YAMAHA: YL-1, YL-1E, HS-1, HS-1B, LS2, YCS1, YCS1-C, YAS1, YAS1-C, AS2C, CS3B, CS3C, CS5, RD200A, YDS-3, YM-1, TD1A, TD1B, TD1C, YDS-5, YM2C, DS6, YR-1, YR-2, YR-2C, R-3, R-3C, R3 RR, DS7, R5, R5B, RD250, RD250A, RD350, RD350A
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Two-Stroke Motorcycles: 1960s to Mid-1970s Repair Manual by Clymer
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