1975 Johnson Evinrude Snowmobile Service Repair Manual (PS026524)

1975 Johnson Evinrude Snowmobile Service Repair Manual (PS026524)

• This manual presented for you in electronic format you can just print out the page you need then dispose of it when you have completed your task. This manual has detailed illustrations as well as step by step written instructions with the necessary diagrams or pictures. These manuals are your number one source for repair and service information, specifically written for the do-it-yourself as well as the experienced mechanics worldwide used to use this factory manual to fix your vehicle. Using this repair manual is an inexpensive way to keep your car working properly. it is this level of detail, along with illustrations, that guide the reader through each service, repairs, maintenance procedure.
• 1975 johnson evinrude snowmobile service repair manual these are the alternate firing 399 35 HP 426 40HP 646 50HP JX and Skimmer sleds
  
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  Length ……………………………. 103.2 inches
  
  Width ……………………………… 35.4 inches
  
  Height ……………………. 43.4 inches with windshield
  
  34.9 inches without windshield
  
  Engine. …………. OMC 2 – cycle Alternate Firing – 2 Cylinder
  
  Rating ……………………. 399CC 35 HP at 6750 RPM
  
  436CC 40 HP at 6750 RPM
  
  646CC 50 HP at 6750 RPM
  
  Starter …………………………… Manual rewind
  
  Variable speed drive ….. Centrifugal operated sheave engages V-belt
  
  Overall ratio …………………………… 4.43 to 1 ……………………..
  
  ‘7 Final drive Silent Drive Chain
  
  Sprocket ratio standard ………………… 135 – 17:39
  
  145 – 19:39
  
  165 – 19:39
  
  Muffler ……………….. Tuned for maximum performance
  
  Brake ………………….. Caliper – Flange on secondary
  
  Throttle. …………………………. Thumb operated
  
  Track …………… Rubber – Polyester Cords fully adjustable
  
  Width …………………………….. 15.5 inches
  
  Skis …………… Formed steel equipped with leaf springs and
  
  replaceable wear runners.
  
  Seat ……….. Vinyl coated cover, molded urethane foam cushion
  
  Hood ………………………….. Molded fiberglass
  
  Headlamp ………………..S ealed beam Westinghouse 7700
  
  Taillamp/Stoplamp. ……………………….. GE 11 5 7 Acc. ~peedometer/~achometelarm p …………….. GE 1816
  
  Fuel tank ……….. Capacity – 5 Imperial gallons, 6 U.S. gallons
  
  Fuel ……………… Gasoline – Premium or regular leaded
  
  Lubrication …………………. OMC brand 50:1 lubricant
  
  Carburetor …… TillotsonHD diaphragm type with accelerator pump
  
  RPM Ratings
  
  Idle ……………………………….13 00 * 200
  
  Transmission belt engaging
  
  speed ……………………………. .3300 * 300
  
  Ignition
  
  Breakerless magneto C.D. (Capacitor Discharge) ignition
  
  Spark plug …………………….. Champion UL-77V
  
  Advance sensor coil resistance. …………… 17 to 19 ohms
  
  Retard sensor coil resistance ……………. 28 to 30 ohms
  
  Charge coil resistance (2 coils) total of ………. 600 & 50 ohms