THE PORTAL HUB - Pinzgauers, Haflingers, Volvo 303s and more!

Happier New Year everyone, let's hope it is better for everyone!

John

Works in all gears except one!

John

Can't hurt to redo the valves with a bit of "lapping" whilst you have the bits apart. I know you said you could hear the air escaping in to the crank case, but if your ears deceived you, then the most likely places for the air to be escaping is via the valves - unless you have cracks in your cylinde...

If air leaked to the crankcase, then it can only get there down the barrel! So if the piston does not have a crack in it, the barrel is not scored, then it must be that the rings don't fit! Possibly you managed to get the gaps in the rings to all line up, but more likely you just have worn rings / b...

In order to try and find an engine which you think should be the "original" engine for a Haflinger, you will have to try and find out its history. The original engine was probably swapped out when it became faulty. If it was done under warranty then it might have been reconditioned and put into anot...

Nelson,

Try now....

John

I presume there is no drain plug as it would have to be on the bottom of the tube and therefore a prime candidate to get caught on something when off roading. Unless you can make a drain plug that is flush on the outside AND the inside, it would be better to park on a slope and suck the old oil and ...

Just a thought,

How restrictive is your exhaust system? You could buy a "colortune" kit which has a special spark plug with a clear window in it to allow you to see the colour of the combustion flame, and then obviously to see what happens when you make adjustments.

John

Does it hesitate if you put your foot down suddenly? If yes, it's a carb issue and that means cleaning all the jets, checking the accelerator pump, float level / fuel level. Lack of power could be down to slightly lower compression, so a compression check might be helpful. Timing could still be out ...

It's a nut as already posted. You can replace it or just take it off and get a new "wing" welded on, I doubt you will want to use the hand crank very often to start the Haflinger unless you are going to allow the Dynastart to fail electrically and just provide the cooling air, in which case it would...

Doesn't need paint, just needs some off road time, soon be covered in mud!

Four stud manifold is for a Zenith NDIX 32 Carb. Same carb can be found fitted to various vehicles, MOG's, Porsche and several other I can't remember at the moment. The major difference will be in the size of the jets and the replaceable venturi, if you get one from a different vehicle. Obviously, y...

In which case, you have a fair amount of investigating to do in order to work out what's wrong. Get all four wheels off the ground. Spin each wheel in turn, would be good if you had either a proper mechanics stethoscope or at least a nice long screw driver stuck against your ear whilst someone turn ...

If you apply some heat to the castings with a hot air gun and get the casting nice and hot round the bearings, they should come out without any problems. Try to have the new bearings to hand so you can put them in whilst the castings are still hot. This means having either "proper" bearing drivers o...

Better than the trailer tyres as they are "All weather" tyres and they are actually designed for a powered vehicle. You Haf will still go a bit slower (top speed) on these compared to the Mayolas as those are probably 165 / 80 / 12 although they did make Semprites in a 145 / 80 / 12. If you want to ...