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Author Topic: 1997 BMW F650 El Diablo Hellride  (Read 1472 times)

Online Hurco550

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #40 on: Jan 07, 2018, 17:27:35 »
That bore looks great! How many miles? Rotax correct?

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Keep er' Between The Ditches!!!

2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennett

Offline irk miller

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #41 on: Jan 07, 2018, 17:39:00 »
That bore looks great! How many miles? Rotax correct?

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Yep, Rotax.  Crazy, as bulletproof as these motors are, stupid can still do them in.  There's 20k on the clock, which really should be just broken in. 

Online Hurco550

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #42 on: Jan 07, 2018, 17:45:35 »
Yep, Rotax.  Crazy, as bulletproof as these motors are, stupid can still do them in.  There's 20k on the clock, which really should be just broken in.
Rotax makes good equipment. Well used (And well liked) in the snowmobile world as well. Bombardier / skidoo used them for years

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Keep er' Between The Ditches!!!

2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennett

Offline irk miller

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #43 on: Jan 07, 2018, 20:55:09 »
Rotax makes good equipment. Well used (And well liked) in the snowmobile world as well. Bombardier / skidoo used them for years

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Take a wild guess what the 2-into-1 intake for the single carb conversion I'm about to do is from.

Online Hurco550

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #44 on: Jan 07, 2018, 20:55:37 »
Take a wild guess what the 2-into-1 intake for the single carb conversion I'm about to do is from.
Ha!

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Keep er' Between The Ditches!!!

2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennett

Offline irk miller

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #45 on: Jan 07, 2018, 21:20:17 »
Ha!

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The intake is from a Bombardier DS650 ATV.  I ended up buying two different carbs to try out- a Mikuni VM 40 from a Ski Doo Formula Z and a Dell'orto PHM40 from a Husaberg.  The Dell-Orto is the more proper carb for this conversion.  The Mikuni has no choke, so I'd have to add it in. 

Online Hurco550

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #46 on: Jan 07, 2018, 21:24:45 »
The intake is from a Bombardier DS650 ATV.  I ended up buying two different carbs to try out- a Mikuni VM 40 from a Ski Doo Formula Z and a Dell'orto PHM40 from a Husaberg.  The Dell-Orto is the more proper carb for this conversion.  The Mikuni has no choke, so I'd have to add it in.
The mikuni has no choke? That's strange. Or is it the second carb from a dual carb setup? Sometimes only one had a choke.

What's your obsession with having to put atv parts on your bikes man? Ha

Sent from my SM-G920V using Tapatalk

Keep er' Between The Ditches!!!

2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennett

Offline irk miller

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #47 on: Jan 07, 2018, 21:26:28 »
The mikuni has no choke? That's strange. Or is it the second carb from a dual carb setup? Sometimes only one had a choke.

What's your obsession with having to put atv parts on your bikes man? Ha

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Hahaha.  I want rid of the cv carbs and a good conversion is to go to the PHM.  It may have been a second carb.  No idea.  I don't know enough about sleds.  It has a plug in the choke hole.

Online Hurco550

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #48 on: Jan 07, 2018, 21:28:50 »
Hahaha.  I want rid of the cv carbs and a good conversion is to go to the PHM.  It may have been a second carb.  No idea.  I don't know enough about sleds.  It has a plug in the choke hole.
You wouldn't get a well tuned sled started up without choke ha, probably a second on a dual carb setup.

What about an for mx_pumper?

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Keep er' Between The Ditches!!!

2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennett

Online canyoncarver

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Re: 1997 BMW F650 El Diablo Hellride
« Reply #49 on: Jan 08, 2018, 14:41:46 »
What about an for mx_pumper?

That's what I was thinking.
--
YZF750/1000R The Fly
KZ 750 Twin
ZRX 1100
The Shovelhead springer chopper
A bunch of KZ's...some Suzukis', and a disassembled CB550
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