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Old 06-25-2010, 04:05 PM
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Default Weber 750 Links

I am starting this thread to have a common place to look up various parts, suppliers, information pertaining to the Weber 750 engine.
If you have a link to add, please add a description to the thread so we can screen the links for our particular needs.
AS WITH MOST BUSINESSES, MENTION AIRCRAFT OF ANY SORT AND YOU WILL HAVE THE DOOR SHUT IN YOUR FACE.

http://www.weber-motor.com/en/produc...750/index.html
This is the home web page for the Weber MPE 750 engine.

http://www.weberengine.com/
This is a Weber Motor Dealer in Florida who says around $4500.00 we have those in stock here. They would also have warranty. We also sell the application kits; this has the wire harness air intake manifolds, ECU (computer that runs the engine) and additional items.
Our shop is a full service Weber Engine dealership; we also rebuild engines for Weber and have them on hand for resale. For these engines, Weber will set the price fro re-sale.

http://www.gotechefi.com/ This is an aftermarket ECU manufactor


http://www.weberpower.com/
http://watcon.com/index.htm

Another Weber Motor Dealer for the West.
In my opinion, the most knowledgeable of all the sites with regards to modifying Weber's.

WastlandPerformance
http://www.ehsracing.com/index.htm
Polaris RZR race modification website. They like to put the Turbo in these ATVs

Babbitt's Snowmobile Parts.
http://www.polarispartshouse.net/pag...4/Polaris.aspx
A good website for part orders, micro- files , for all major Snowmobiles.

Emerson's Used Snowmobile Parts
http://www.usedsnowmobileparts.net/
218 624 2183
This is a Used Snowmobile Salvage Company that will sell the complete engine or components.
I would give this site a very good rating at this time.

http://www.precisionsports.ca/
Canadian Weber dealer recommended by forum member,
Gives quick response to emails!

http://www.inlinefuelpumps.com/
Good source for the electric fuel pumps with 50psi and up.
Don't forget to order what ever accessorys you may need to install the pumps as they don't come with any fittings etc.
Fast delivery and shipping.

http://www.readmanuals.com/snowmobil...ice.Manual.htm
The unbelieveable price of about 5 dollars for a very good manual including the WEBER 750 engine repairs, teardowns , rebuilds

http://www.distributorless.com/
This is a site that Manf. ECUs with the 60/2 trigger wheel and Cam sync. which is what the Bosch Motronic uses on the Weber engine.
Coil current may be a problem for the Bosch coils. They recommend using their coils. The will test your coils if sent to them. The TEC s model is about $1240 at this time
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Last edited by Friendly; 06-28-2011 at 06:37 PM.
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Old 06-25-2010, 06:43 PM
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Hey Mark

Super Idea on the link sites, First off when you read the Weber home link, note that they are not so gun shy about "experimental " applications, this is really a good start. Now so far the only negative note I can offer is the site in Lake Havsau, Az. I tried to talk to them and they would not do much talking until I finally revealed it was to go on a Gyro (went against my own rule but it was necessary) they burned rubber in reverse and quite talking. Sorry to state this because I think one of the prospective users of the Weber 750 was going to use them to build an engine, sorry a waste of time.

The one in Florida sounds cooperative and interesting but is basiclly a marine application, wonder if they will order non-marine engines ??? Price is reasonable !!!

Tony
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Old 12-22-2010, 03:15 PM
brlcla brlcla is offline
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A good link I found... and very willing to answer your emails and calls.

http://www.precisionsports.ca

Sells new and used engines along with performance parts
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Old 12-22-2010, 04:06 PM
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I emailed them for a service manuel. Thanks for the new link. I like their engine breakdown web page.
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Old 12-22-2010, 07:27 PM
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good link Michael, thanks for adding it to the list

Tony
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Old 12-23-2010, 02:58 PM
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When ya get the service manual scan it for all of us... remember it is the snowmobile season... Martin emailed me stating he would be more than willing to help out after the season with projects other than snowmobiles.

Also a new turnkey engine is only $7000USD.... talk about a good price.


Has anyone talked to John at Rotortec lately? He has not replied to my emails the last few days.

Last edited by brlcla; 12-23-2010 at 03:03 PM.
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Old 12-23-2010, 03:05 PM
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Michael,
I received an email that, he does not have service manuels and he referred me to the Green Hulk Forum page for some Pdf files . But it is still a good site.
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Old 12-23-2010, 04:56 PM
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Hi Michael

"$7000 for a new turnkey engine" Yes that is a good price, however you are still looking at a custom radiator and a custom oil tank and a custom exhaust if you are going to make sharp installation. But even then you should have a really good set up---- at least that is what those of us that are experimenting with this engine are trying for and hopefully come in considerable under a Rotax 4 stroke by quite a bit. But the proof is in the results and they are still under development. Thanks for your interest and contributions of information. As most anyone that experiments with "anything" you will find out that INFORMATION is more valuable than gold.

Tony
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Old 12-23-2010, 05:08 PM
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Great idea Tony thanks for starting this thread!!!
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Old 12-24-2010, 01:41 AM
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Default John and the Weber

________________________________________
I personally wish you all a happy Christmas and New Year, from the Rotortec Team. Working to get the Weber best Engine for Gyro Performance..



John
Rotortec Germany
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  #11  
Old 12-24-2010, 04:04 AM
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Quote:
Originally Posted by WHY View Post
Hi Michael

"$7000 for a new turnkey engine" Yes that is a good price, however you are still looking at a custom radiator and a custom oil tank and a custom exhaust if you are going to make sharp installation. But even then you should have a really good set up---- at least that is what those of us that are experimenting with this engine are trying for and hopefully come in considerable under a Rotax 4 stroke by quite a bit. But the proof is in the results and they are still under development. Thanks for your interest and contributions of information. As most anyone that experiments with "anything" you will find out that INFORMATION is more valuable than gold.

Tony
I am considering using some of the stock snowmobile components(intercooler and water to oil cooler).... Also will likely use the stock Weber oil tank... the two radiators for the bypass and thermostat loops will be easy to size and find just need to know the total cooling area that Polaris used in the FST for the front radiator and the rear cooling cicuit. Those parts along with the plumbing wont run much $$$.

But this motor is worth the effort and will cost me slightly more than a rebuilt 4 cyl aircraft engine, but the power to weight ratio is worth the extra few grand.

Plus the ability to make upwards of 150-180 HP reliably with stock components is very nice.
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Old 12-24-2010, 07:29 AM
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Quote:
Originally Posted by brlcla View Post
When ya get the service manual scan it for all of us... remember it is the snowmobile season... Martin emailed me stating he would be more than willing to help out after the season with projects other than snowmobiles.

Also a new turnkey engine is only $7000USD.... talk about a good price.


Has anyone talked to John at Rotortec lately? He has not replied to my emails the last few days.
I sent him an email about the plantary drive and did not get a response. I don't know if he is busy or they have run into some teething problems. I appreciated his input, as they have an engine that seems to be working.
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Old 12-24-2010, 07:39 AM
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WOW!! John, thanks for the beautful post card and well wishes. More pictures on the Weber 750 thread I hope and also add your link to this thread for the engines and redrives if they are available
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Old 12-24-2010, 12:32 PM
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Given the dimensions stated, for bore and stroke and with the compression ratio stated 9:1, the motor wil be doing really good to produce 60hp at 7000rpm. Which is fine for what it is, I just don't understand their elevated figures. For the turbo model, still using the 9:1 base ratio, the turbo would have to run 18psi. Not to hard for the turbo, but you'd need to use diesel fuel at those compresion numbers.

I'm impressed enough at 55hp at 7000rpm and 110lb weight. Add the gearbox and the cooling, at least 15lbs., yea. I could make it fly. I flew a '60 era generator engine with 40hp at 125lbs., but I only paid $200 for it.
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Old 12-24-2010, 04:14 PM
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I got around to making up an engine stand for mine today. I don't know what it produces, It is used in autos, jet ski, snowmobile and they are all excellent performers. I don't see how only 60 hp could push that 2 place Cloud Dancer thru the air was well as the videos appear. If we get a good solid 80 for the two cylinders we should still have a nice engine/weight and cost. Rotax is getting 60 hp without turbo on 600 cc's and weights only 90bls without cooling or redrive. That looks like it could be a good 503/582 alternative. Or power the Mosquito Heli.
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