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Race Fuel In 1978 Honda XL75??? #4628801
01/08/18 10:52 PM
01/08/18 10:52 PM
Joined: Dec 2017
Posts: 461
Indy
69Torino Offline OP
69Torino  Offline OP
Joined: Dec 2017
Posts: 461
Indy
We have a super clean '78 Honda XL75 Enduro bike that's in really great cosmetic and mechanical shape. We just have fun on it around the farm and beat around the property with it. I use Amsoil Metric Motorcycle 10W-40 in it, changed annually. Has a Uni air filter, Moose plug (step hotter) but is otherwise stock. My wife and I love drag racing however, and I've really missed the smell of race gas. So on a whim I bought two gallons of Cam2 110 Leaded to dump in either the bike or my '47 Ford Tractor to make good smells until the winter is over. I realize this is juvenile behavior.... eek My question is;
Will the leaded gas harm the Honda 75 in any way? Load up the silencer, deposits, etc? I have a feeling the 110 leaded will be better for the carb, being it has no ethanol. And will 110 make it sluggish? The bike still has a full tank of regular gas with MMO added to it to burn out before I dump the Cam2 in. If anyone thinks or knows of a reason not to use it in the Honda, I'll just dump it in the tractor and make the Ford smell good! The Ford will eat anything you throw at it! grin

Pics for posterity:





Last edited by 69Torino; 01/08/18 10:54 PM.

1969 Ford Torino GT 390 Auto
2003 Mercury Marauder
1992 Mercury Capri Convertible
2005 Ford Freestyle
2008 Hyundai Santa Fe
2015 Kia Optima
1947 Ford 2N
1978 Honda XL75
Plus Other Stuff...
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4628809
01/08/18 11:07 PM
01/08/18 11:07 PM
Joined: Dec 2016
Posts: 7,138
Waco, TX
Linctex Online content
Linctex  Online Content
Joined: Dec 2016
Posts: 7,138
Waco, TX
I've been around airports most all my life..... everything with a spark plug near an airport usually gets a good dose of AvGas on a regular basis.

Yeah, there will be a little more carbon & whatnot, but you won't kill it.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4628811
01/08/18 11:10 PM
01/08/18 11:10 PM
Joined: Jul 2003
Posts: 4,895
New Zealand
Silk Offline
Silk  Offline
Joined: Jul 2003
Posts: 4,895
New Zealand
I often run some race gas when I can get it - for a bike that sits a few months between use, they start up first time.


1987 BMW R65 - Aegis SAE30
2005 Nissan Expert - Gulf Western 10W-40
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4628843
01/09/18 12:22 AM
01/09/18 12:22 AM
Joined: Jun 2012
Posts: 1,758
USA
oldhp Offline
oldhp  Offline
Joined: Jun 2012
Posts: 1,758
USA
I've run 100 octane in my push mower for the smell. Still running strong. I would use it in a heart beat.


2018 RAM 1500 3.6/8 speed.
2017 Jeep Sahara Unlimited 3.6
"U kan't fixe it......if'n it ain't broke."
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4628966
01/09/18 07:53 AM
01/09/18 07:53 AM
Joined: Apr 2016
Posts: 1,198
Campbellsville, KY
Alex_V Offline
Alex_V  Offline
Joined: Apr 2016
Posts: 1,198
Campbellsville, KY
Nice looking bike!

I put a 50 or 70% mix (can't remember which) of E-free 89 and VP110 leaded racing fuel in my CL175, and it ran like crazy - would actually hit redline. However, examining the combustion chambers after running a tank of it I saw some non-typical deposits forming that made me wonder if it was the lead in the fuel. Not sure either way, just my personal experience. But these little bikes really like octane. laugh

Last edited by Alex_V; 01/09/18 07:54 AM.

To quote a friend, "Synthetics, man."

'85 GMC C3500, 454, 132K
'82 Mercedes 300CD, OM617 turbo, 173K (totaled 2018, in rehab)
'85 Mercedes 300TD, OM617 turbo, 217K (wife's)
'67 Suburban, 350, 331K
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4628970
01/09/18 08:03 AM
01/09/18 08:03 AM
Joined: Jun 2005
Posts: 1,952
Cedar Park, TX
sunruh Offline
sunruh  Offline
Joined: Jun 2005
Posts: 1,952
Cedar Park, TX
first off a honda xl, regardless of displacement, was NEVER and enduro bike.
it was at best called a dual sport, but that just ment it did neither off road nor on road very well.
the xr line was the "enduro" version and some crazed guy name scott summers rode one very well.

any fuel and oil will work in that bike. while looking in great condition is is well past its prime.
what it truely needs is the forks and shocks rebuilt with fresh oil. i bet the shocks inside are more like runny jello and the forks more like tar


motorcycle oil myth buster
Re: Race Fuel In 1978 Honda XL75??? [Re: sunruh] #4629004
01/09/18 08:51 AM
01/09/18 08:51 AM
Joined: Dec 2017
Posts: 461
Indy
69Torino Offline OP
69Torino  Offline OP
Joined: Dec 2017
Posts: 461
Indy
Originally Posted By: sunruh
while looking in great condition is is well past its prime.
what it truely needs is the forks and shocks rebuilt with fresh oil. i bet the shocks inside are more like runny jello and the forks more like tar


You can see the oil running down the front forks in that pic??? Wow you have good eyes! Yep you're right, the fronts are definitely sloppy and mushy and leaking. It's on the list of things to do.


1969 Ford Torino GT 390 Auto
2003 Mercury Marauder
1992 Mercury Capri Convertible
2005 Ford Freestyle
2008 Hyundai Santa Fe
2015 Kia Optima
1947 Ford 2N
1978 Honda XL75
Plus Other Stuff...
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4629053
01/09/18 09:42 AM
01/09/18 09:42 AM
Joined: Dec 2016
Posts: 2,203
VA
maverickfhs Offline
maverickfhs  Offline
Joined: Dec 2016
Posts: 2,203
VA
Beautiful bike...


2006 Civic EX 202K/AT
2006 Acura TSX 180K/AT
Re: Race Fuel In 1978 Honda XL75??? [Re: maverickfhs] #4629158
01/09/18 11:16 AM
01/09/18 11:16 AM
Joined: Dec 2017
Posts: 461
Indy
69Torino Offline OP
69Torino  Offline OP
Joined: Dec 2017
Posts: 461
Indy
Originally Posted By: maverickfhs
Beautiful bike...

Thank you kindly


1969 Ford Torino GT 390 Auto
2003 Mercury Marauder
1992 Mercury Capri Convertible
2005 Ford Freestyle
2008 Hyundai Santa Fe
2015 Kia Optima
1947 Ford 2N
1978 Honda XL75
Plus Other Stuff...
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4629282
01/09/18 01:12 PM
01/09/18 01:12 PM
Joined: Jul 2017
Posts: 109
GA
Pike51 Offline
Pike51  Offline
Joined: Jul 2017
Posts: 109
GA
I love the smell of race gas in everything... but my favorite smell will always be Turbo Blue 108 mixed with Maxima 927 at 40:1. I'm getting warm and fuzzy just thinking about it.


1951 Chevy pickup 350/700r4
2015 Chevrolet Suburban LTZ 4x4
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4629305
01/09/18 01:35 PM
01/09/18 01:35 PM
Joined: Oct 2014
Posts: 12,577
Idaho
CT8 Online content
CT8  Online Content
Joined: Oct 2014
Posts: 12,577
Idaho
Those are a blast to ride!


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4629405
01/09/18 03:34 PM
01/09/18 03:34 PM
Joined: Dec 2017
Posts: 461
Indy
69Torino Offline OP
69Torino  Offline OP
Joined: Dec 2017
Posts: 461
Indy
It is pretty fun. Full throttle all the time!


1969 Ford Torino GT 390 Auto
2003 Mercury Marauder
1992 Mercury Capri Convertible
2005 Ford Freestyle
2008 Hyundai Santa Fe
2015 Kia Optima
1947 Ford 2N
1978 Honda XL75
Plus Other Stuff...
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4632651
01/12/18 04:29 PM
01/12/18 04:29 PM
Joined: Feb 2003
Posts: 7,685
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,685
Jupiter, Florida
Leaded fuel will run just fine in that bike.


People who count on their fingers should maintain a discreet silence.
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4634364
01/14/18 09:07 AM
01/14/18 09:07 AM
Joined: May 2003
Posts: 116
Fleming Island, FL
Arved Offline
Arved  Offline
Joined: May 2003
Posts: 116
Fleming Island, FL
Very cool looking bike.

In the timeframe the bike was built, leaded and unleaded fuel was still commonly available. Unless there's some sticker on the bike saying not to, I'd expect the motorcycle to work just fine.

For a real olfactory treat, I miss the smell of castor oil in a 2 stroke. But having just gone to the Historic Sports Car Races and Roar Before the 24 here in Daytona, I know what you mean about the smell of engines running on race gas.

OTOH, I'm NOT a fan of the smell of burnt Nitromethane. Nitric Acid is a byproduct, and boy does that sting after a while.


'17 Kawasaki Ninja 300 ABS
'07 Mazda MX-5 Grand Touring
'95 Toyota Pickup (22RE)
'99 Honda VT1100C3 Shadow Aero
Re: Race Fuel In 1978 Honda XL75??? [Re: 69Torino] #4635055
01/14/18 07:34 PM
01/14/18 07:34 PM
Joined: Dec 2017
Posts: 461
Indy
69Torino Offline OP
69Torino  Offline OP
Joined: Dec 2017
Posts: 461
Indy
Wife and I go to the US Nationals every year. Can't hear or smell anything for a week after! That Nitro is no joke. Puts grown men in tears.


1969 Ford Torino GT 390 Auto
2003 Mercury Marauder
1992 Mercury Capri Convertible
2005 Ford Freestyle
2008 Hyundai Santa Fe
2015 Kia Optima
1947 Ford 2N
1978 Honda XL75
Plus Other Stuff...
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