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 Berichttitel: What to do before starting an HY72 Engine
BerichtGeplaatst: ma 12 sep, 2022 3:25 
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Hi All,

What should I do before starting our HY72 engine?

It's been sitting 4 1/2 years but ran fine when parked.

Any advice is greatly appreciated!

Best Regards,
Kat & Garric California USA


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 Berichttitel: Re: What to do before starting an HY72 Engine
BerichtGeplaatst: ma 12 sep, 2022 16:15 
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Geregistreerd: ma 23 jul, 2012 17:34
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first remove the spark plugs and put a small amount of oil into each hole. then put the plugs back in. when the hy sits for too long the fuel will drain back out of the lines, so you want to make sure the lines are primed with fuel. full charge on the battery, use the choke and just keep turning it over. sometimes i use starter fluid too.

_________________
'79 HY78, 80 HY 78,'74 HY 72,'88 rhd 2cv,'75 2cv truckette,'69 volkswagen ,2001 Volvo XC,2008 Land Rover
2019 Royal Enfield '81 Moto Guzzi, '67 BSA, '78 Honda 350, '79 Batavus Regency, '81 Benelli Mini Enduro, '80 Garelli
-lelijke Amerikaan


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 Berichttitel: Re: What to do before starting an HY72 Engine
BerichtGeplaatst: ma 12 sep, 2022 19:51 
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Thanks U. American.


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 Berichttitel: Re: What to do before starting an HY72 Engine
BerichtGeplaatst: di 13 sep, 2022 2:12 
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Geregistreerd: ma 23 jul, 2012 17:34
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also: dont hold the gas pedal to the floor but rather pump it. or better yet just use the choke and dont touch it, it will take a few moments for the carbs to fill up again. there is a weep hole for excess fuel to come out of. i know it sounds crazy . but the HY was designed with a small port at the base of the intake manifold that is designed to prevent raw unburned fuel from damaging the cilinders, so it just runs down the side of the motor, dont let this alarm you, its french! its not a leak that needs to be fixed. there should also be a pan beneath it to collect the fuel.

_________________
'79 HY78, 80 HY 78,'74 HY 72,'88 rhd 2cv,'75 2cv truckette,'69 volkswagen ,2001 Volvo XC,2008 Land Rover
2019 Royal Enfield '81 Moto Guzzi, '67 BSA, '78 Honda 350, '79 Batavus Regency, '81 Benelli Mini Enduro, '80 Garelli
-lelijke Amerikaan


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 Berichttitel: Re: What to do before starting an HY72 Engine
BerichtGeplaatst: di 13 sep, 2022 2:34 
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Geregistreerd: zo 12 jul, 2020 23:52
Berichten: 15
Thanks U American

I've heard that I need to put oil into the water pump?


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 Berichttitel: Re: What to do before starting an HY72 Engine
BerichtGeplaatst: di 13 sep, 2022 2:39 
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Geregistreerd: zo 12 jul, 2020 23:52
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How fast should an HY72 go? It's a 1966 HY plateau.


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 Berichttitel: Re: What to do before starting an HY72 Engine
BerichtGeplaatst: di 13 sep, 2022 15:11 
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Geregistreerd: ma 23 jul, 2012 17:34
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there is a zirc fitting at the top of the water pump, but its not necessary to oil it more than once a year. the top speed is 56mph , this is not a fast vehicle , its basically a tractor with heat.

_________________
'79 HY78, 80 HY 78,'74 HY 72,'88 rhd 2cv,'75 2cv truckette,'69 volkswagen ,2001 Volvo XC,2008 Land Rover
2019 Royal Enfield '81 Moto Guzzi, '67 BSA, '78 Honda 350, '79 Batavus Regency, '81 Benelli Mini Enduro, '80 Garelli
-lelijke Amerikaan


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