Question about 1971 Aermacchi Sprint 350

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Please Help I am pulling my hair out now!!!

I have a w reg (2000) speedfight 1 liquid cooled.I removed thge engine so I could get the crank seals changed but when I got it back and put the engine back on I was unable to get a spark. I have changed everything except for the stator and pickup but I am still not able to get a spark. I have checked the coil for resistance values and they seem to be correct. Any help with this would be very greatly appreciated. Thanks.

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  • robert711 Mar 09, 2009

    ory tmake of the bike they did not have peugeot to choose from.

  • robert711 Mar 09, 2009

    I figured it out it was the stator the bike is running sweet now



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The stator sounds like it has been damaged best to get a ccheap replacement online

Posted on Oct 07, 2009


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Front seal replacement 5.9 cummins

Hi Dale, I'm glad to help! Below is the removal procedure for the front crankshaft seal on your 5.9 cummins engine. Hope this helps and have an awesome day!


  1. Disconnect both battery negative cables.
  2. Raise vehicle on hoist.
  3. Partially drain engine coolant into container suitable for re-use (Refer to 7 - COOLING - STANDARD PROCEDURE).
  4. Lower vehicle.
  5. Remove radiator upper hose.
  6. Disconnect coolant recovery bottle from radiator filler neck and lift bottle off of fan shroud.
  7. Disconnect windshield washer pump supply hose and electrical connections and lift washer bottle off of fan shroud.
  8. Remove viscous fan/drive assembly. (Refer to 7 - COOLING/ENGINE/RADIATOR FAN - REMOVAL).
  9. Remove cooling fan shroud and fan assembly from the vehicle.
  10. Remove the accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - REMOVAL).
  11. Remove the cooling fan support/hub from the front of the engine.
  12. Raise the vehicle on hoist.
  13. Remove the crankshaft damper and speed indicator ring.
  14. Remove power steering pump.
  15. Remove accessory drive belt tensioner.
  16. Remove the gear cover-to-housing bolts and gently pry the cover away from the housing, taking care not to mar the gasket surfaces. Remove crank seal dust shield with cover.
  17. Support the cover on a flat work surface with wooden blocks (Removing Seal from Cover), and using a suitable punch and hammer, drive the old seal out of the cover from the back side of the cover to the front side(Removing Seal from Cover).

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Check the exhaust if its the original, renowned for getting carboned up. This will make it falter as you described, I had one that would actually pull, but 3 hundreds yards down the road conked out, exhaust was blocked. Best fix is to take it off and go to your nearest garage and get them to blow it through with an airline.
If its water cooled then may be the head, clear the exhaust first and then remove the head, seals are large o'rings but there should be at least 2mm of metal between seal groove and cylinder area. If not get a secondhand one and but new aluminium bolts, Use a gasket sealant also, just ot be sure.

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I have a sxr 800 stand up jet ski. It no longer has good bottom end power and it feels like it is hitting the rev limiter on the top end. I replaced the exaust pipe orings so there is no exaust leakage. I...

If the milky cylinder was the rear cylinder you probably have a bad rear engine seal . I recommend you buy a complete top end kit (pistons, rings, gaskets, and seals). Pull the motor, tear it down, break the gaze on the cylinders with a hone, and put it back together. It will be just like a brand new motor when your done. Replace your spark plug caps and spark plugs. Break it in like a new motor and you should be good for another ten years. If that is just to expensive for you just pull the motor remove the stator plate and pull off the bottom case half. Now you can replace the crank seals only.

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1 Answer

2000 silvarado 5.3 vortech runs good for awhile after it gets hot it shuts off and wont crank until it cools off

do you mean wont crank over and start till it cools off? if thats the case it sounds like you got a bad crankshaft position sensor,,thge sensor is fine when its cold and warm but when it gets hot it goes open and the cars computer cant see the rpm and shuts the engine off,and then when it cools off the sensor works again and the car starts and is ok till it gets hot again,if thats the case thats what it is,,,hope this helps,,,about $100 for the part

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Removed the barrel and piston should the crank run in oil????

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