chris200

That's correct for the shock linkage bearings but the ones at the front of the swing arm are a different part number and no size is given in the parts diagram

Does anyone know the bearing size please ?

And the listing has now been withdrawn

It may be untrialed but it's well used , Rock marks in the side casings and the bent sumpguard prove that . I'd say it's a 2008 repsol race replica with all the carbonfibre frame and swing arm protectors removed

http://www.montesa4rt.nl/ It's on there

It was HRMAD that had the issues with the full throttle stop , It only affected full throttle operation

I never seen air bleed screws on 4rt forks and there is no mention of them in the workshop manual ???? There is a screw at the top of the left fork but that alters spring preload

A second vote for the kill switch , Just unplug the bullet terminals which you will find under the fuel tank . But Do Not link the bullet terminals together because it will never start !

I'd love to hear the theory behind rocking the steering on a rear wheel drive van !

In which way was the map modified ?

Just had a thought , Most fuel injection systems cut the fuel completely on the overrun for the sake of economy but what if they altered the ecu to inject a small amount of fuel, Just enough to provide a push down on the piston on the firing stroke ,That would definitely reduce engine braking . I think

Yeah I'd like to measure it all but have a strong feeling I will get nothing

I was thinking of measuring mine

If the engine produced anywhere near the amount of crankcase pressure required to provide engine braking then surely the oil seals would be under huge pressure too ? Longer duration cam lobes seem much more likely to be responsible for the reduction on later engines , Well to my mind anyway

Does anyone know what has been done to the later model 4rt's to reduce engine braking ? Is it a mechanical method or ptb programmed differently ?