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TOPIC: 1984 ZN1300 Voyager not starting

1984 ZN1300 Voyager not starting 4 months 3 days ago #23892

  • bluefan44
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If you find a good set let me know. I'm in need of replacing 40 year old gaskets after i finish cleaning these carbs and get this bike to run.

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1984 ZN1300 Voyager not starting 3 months 4 weeks ago #23990

  • Tuomas
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Gasket set was ordered from Storm Motor which is finnish moto parts company. They will deliver needed set in 14 days (not sure if takes longer).
Piston rings are ebay purchase from Germany.
Luckily we found used water pump cover from Finland, with a reasonable price tag. Old one leaks and will break when removed.
Cylinders are at the shop (honing) right now.

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Last edit: by Tuomas.

1984 ZN1300 Voyager not starting 2 weeks 3 days ago #24790

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After almost full overhaul with cylinder honing, piston rings, replaced miscallenous bearings, new full gasket set, water pump housing, new dfi and ignition boxes, two new intake valves ( bent in cylinders one and six) and new TPS, adjustable fuel regulator and some other things aside, it runs but it runs terribly rich. You know some black/blue smoke and your eyes burn. Fuel pressure drops down to under one kilo when bike runs and it really does not hold the pressure after pump primes fuel line when key is turned on. Maybe leaking still.

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1984 ZN1300 Voyager not starting 2 weeks 3 days ago #24791

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Tuomas wrote: After almost full overhaul with cylinder honing, piston rings, replaced miscallenous bearings, new full gasket set, water pump housing, new dfi and ignition boxes, two new intake valves ( bent in cylinders one and six) and new TPS, adjustable fuel regulator and some other things aside, it runs but it runs terribly rich. You know some black/blue smoke and your eyes burn. Fuel pressure drops down to under one kilo when bike runs and it really does not hold the pressure after pump primes fuel line when key is turned on. Maybe leaking still.


Your persistence is starting to pay off finally. !! Glad to see you are making progress.

I suspect the injectors are sticking and leaking when the engine is shut off. If the injector needles are not fully closing as they should, It would account for your rich mixture. If the fuel pressure is dropping to 1 kilogram (2.2 lbs) when running, either the fuel pump is not flowing enough or the fuel filter is plugged or the regulator is stuck open. Lots of things to look in to. But at least it's running so there's a lot of things that can be checked off of the list.
Carry on and let us know how you are making out please.
Cheers,
KB

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