I down shift. Be very careful with it though, if you down shift into first at 10mph it may throw you over the handlebars. You want to downshift at a much lower speed than when you would up-shift. So downshift into first just before the bike comes to a stop. Downshift into second at 5-15 or so. Alternatively you can power downshift. This is where you throttle up as you shift down, but you have to be very familiar with the bike to do this properly.
Lets say your cruising in 3rd gear at 30mph at low RPM. If you shift into second the bike will lurch and possibly skid (could cause a crash). The thing is 30mph in 2nd gear is very high RPM, so if you want to go from third to second you need to either up the RPMs or slow the bike until the RPMs are acceptable for the gear. In third at 30mph your only applying moderate throttle, to power downshift you would engage the clutch by pushing up or down on the shifter (test first to make sure it properly engages and disengages the engine), throttling up and then releasing the shifter into the new lower gear at the higher RPM. You can get away with some difference in RPM, but too much and the rear tire will lock up and you'll go into an uncontrollable skid (been there done that).
Downshifting into first is only recommended on extreme hills or the last thing you do before you put your foot down at a stoplight. It's so very low that skidding and losing control is a very real danger.
The auto clutch when properly functioning should disengage the engine when you push up or down and then reengage the engine in the next gear when released. Notice that you should be in a sorta neutral in between gears. That's where you adjust the engine speed to match the gear range.
Some Hondas have a habit of getting stuck in this in between neutral and it's referred to as false neutral. It can be mostly eliminated by always shifting up or down with the bike in motion. It is mostly encountered when you come to a stop in 3rd gear and then once stopped downshift into 2nd and 1st. It's probably caused by reduced spring power in the thirty year old shift arm return spring, but I've had numerous Hondas have that problem. It almost never happens if the wheel is still rolling when you downshift into 1st. This problem can be embarrassing at an intersection when the light turns green; you hit the throttle and the bike revs and goes nowhere, then you hit the shifter and go into 2nd and lug down and almost die, then you shift back into 1st and pop a wheelie: lovely.
(imagine a cute or dirty tagline here)
On Wed 08/06/11 8:21 AM , "Joey" joeysanchez_90@yahoo.com sent:
> That will help tremendously! I am confident I will pick it up pretty
> quickly, was just a little confused. Now, down shifting? (Commence face in
> palm now) --- In Hon
> da-C70@yahoogroups.com, myron andrews
> wrote:>
> >
> > even simpler to remember is the speed range
> for each gear is marked on the face of the speedometer. Good Luck! Baby
> Huey>
> >
> >
> > To: Hon
> da-C70@yahoogroups.com> From: gandalf@...
> > Date: Tue, 7 Jun 2011 11:03:34 -0700
> > Subject: Re: [Honda-C70] Re: Few
> questions...>
> >
> >
> >
> >
> >
> > 1st gets you going, 10 to 15mph is the most it
> will do. I generally shift to second in the intersection. > 2nd is good for climbing hills and getting you
> up to about 22-25> 3rd is good for everything upwards of there.
> >
> > You may have to downshift for hills. Extreme
> hills might end you up in first, if that happens try not to wind it out,
> just let it work it's way up. >
> > (imagine a cute or dirty tagline
> here)>
> > On Mon 06/06/11 4:31 PM , "Joey"
> joeysanchez_90@... sent:> > Wow, thank you. I am definitely going to
> bookmark those sites to have em'> > handy. Thank you!Now, I am worried about
> the shifting, I have driven 150cc 5 speed dirt> > bikes, but it was when I was like 10. When
> do you shift on such a low speed> > bike, with only 3 speeds? That confuses me.
> I must sound like a total> > idiot, but I really don't get
> it!> > --- In Hon
> > > da-C70
> @yahoogroups.com, "knytewolf1974"> > wrote:>
> > > > Ok to answer your
> questions.> > >
> > > > Top speed stock with a 240lb rider
> would be> > approx 39-42 mph, given good weather
> conditions.> > > > Parts are for the most part very easy
> to come> > by. Three of the best sites for finding
> parts are> > > > www.dratv.com>
> tenavintage.com> > > ebay.com (on ebay, you can search for
> honda> > passport as well as honda c70 parts, many
> of which will fit no problem, but> > check with sellers, or here to be
> sure.)> > > > MPG is very tricky to determine. If
> you weighed> > 125lb, and drove a straight line with no
> stopping or starting you would> > expect to get around 100 mpg. Though we
> don't operate under those> > conditions, I would say that for your
> weight, if the Passport you get is in> > proper running condition, you should get
> over 50 mpg easy.> > > > Winter riding depends on exactly where
> you live.> > I myself live in Los Angeles so I have the
> luxury of riding year round. If> > you live somewhere where you have to deal
> with snow or icy roads, I would> > definitely store it during the winter
> months. By storing I would say keep> > it in the garage, start it once a week, and
> purchase a center stand so you> > can run it through the gears and not just
> idle. if you just start it up and> > let it idle, many people don't realize this
> but you can actually plug up> > the main jet in the carb since different
> jets are used for acceleration and> > idle.>
> > > > Many aftermarket upgrades are
> available through> > dratv.com. You can put a larger engine in I
> think as high as 140-150cc> > now.>
> > > > You can find tires at any of the links
> I have> > given you already, however, there are
> certain guidelines you should follow> > when selecting tires. The stock tire sizes
> are 2.25x17 on the front and> > 2.50x17 on the rear. I would not go any
> higher than a 2.25x17 on the front> > because if you do, your speedometer will
> show you going slower than you> > really are. I myself have a 2.25x17 on the
> front, and a 3.0x17 on the rear.> > I feel that the 3.0x17 on the rear gives me
> a much more stable ride than> > the stock 2.50x17. If you install a center
> stand, which imo is well worth> > the money, you can still use a 3.0x17 tire
> on the rear, it is just a really> > close fit. If you want to make absolutely
> certain about clearance, then I> > would go with 2.25x17 on the front, and
> 2.75x17 on the rear. You can even> > order tires and tubes from your local
> motorcycle shop.> > > > Listed for your convenience
> > > >
> > > > STOCK
> > > > Front 2.25x17
> > > > Rear 2.50x17
> > > >
> > > > MODIFIED
> > > > Front 2.25x17 or
> > > > 2.50x17 if you don't care
> about> > speedometer reading.>
> > > > Rear 2.50x17
> > > > 2.75x17
> > > > 3.0x17
> > > >
> > > > My tire of choice is a Michelin
> Gazelle and my> > tube of choice is made by Bikemaster.>
> > > > I don't know if you know this or not,
> but the> > 1980-81 Passports use a 6v electrical
> system, meaning the bulbs will not> > shine as bright, and I have heard of some
> electrical issues, as well as> > needing to adjust points and other things I
> can't think of right now. The> > 1982-83 Passports use a 12v electrical
> system, with no need for points,> > brighter burning bulbs, and less electrical
> headaches. I for one have a> > 1983 and if given the choice, would
> purchase an 82-83 over the other, but> > in the end, it is all up to you. Now any
> 80-81 owners reading this, don't> > bash me, I am only going by what I have
> heard, not personally experienced,> > lol.>
> > > > Hope this helps,
> > > >
> > > > Chris
> > > >
> > > >
> > > > --- In Hon
> > > da-C70
> @yahoogroups.com, "Joey" > > wrote:> >
> > > > > I am in the process of buying an
> '80 Honda> > C70 soon and was hoping for some input. I
> have spoken to a few different> > people and have gotten nothing but great
> comments on how great these bikes> > are. Just wanted to triple check the info I
> was given.> > > > > > Top speed with 240lb
> rider?> > > > Parts?
> > > > > MPG?
> > > > > Possible winter riding? (I drove
> my cheap-o> > Chinese model scooter a few times last
> winter and fried the harness, if I> > need to I will store this beauty for
> winter!)> > After market upgrades available?> > > > Tire selection? (Links would
> be> > appreciated)> >
> > > > > Thank you!
> > > > >
> > > >
> > >
> > >
> > >
> > >
> > >
> ------------------------------------> >
> > > C70 Passport Not Running Right?
> > > 1970-73 C70 Honda Service Manual: http://tinyurl.com/6ebwtw1970-73 C70 Troubleshooting
> Guide: > > http://tinyurl.com/6ebwtw (scroll to sec.7.1
> page> > 101.jpg)1980-83 C70 Honda Service Manual:
> http://tinyurl.com/hu42c1980-81 C70 Troubleshooting
> Guide: > > http://tinyurl.com/hu42c (scroll to sec.18-1
> page> > 170.jpg)1982-83 C70 Troubleshooting Guide:
> > > http://tinyurl.com/hu42c (scroll to sec. 20-28
> page> > 205.jpg)
> > > 1980-81 C70 Maintenance Schedule: http://tinyurl.com/z4zn61982-83 C70 Maintenance
> Schedule: http://tinyurl.com/hw35c> > More resources for C70 Passports and
> Cubs:> > http://www.shlaes.com/Vehicles/Scooter.htmhttp://www.velodrome.
> com/HondaC70/HondaC70.htmlYahoo! Groups Links> > To visit your group on the web, go
> to:> > http://groups.yahoo.com/group/Honda-C70/> > Your email settings:
> > > Individual Email | Traditional
> > >
> > > To change settings online go to:
> > > http://groups.yahoo.com/group/Honda-C70/join(Yahoo!
> ID required)> >
> > > To change settings via email:
> > > Honda-C70-digest@yahoogroups.com Honda-C70-fullfeatured@yahoogroups.com> > To unsubscribe from this group, send an
> email to:> > Honda-C70-unsubscribe@yahoogroups.com> > Your use of Yahoo! Groups is subject
> to:> > http://docs.yahoo.com/info/terms/> >
> > >
> > >
> >
> >
> >
> >
> > [Non-text portions of this message have been
> removed]>
>
>
>
>
> ------------------------------------
>
> C70 Passport Not Running Right?
> 1970-73 C70 Honda Service Manual: http://tinyurl.com/6ebwtw1970-73 C70 Troubleshooting Guide:
> http://tinyurl.com/6ebwtw (scroll to sec.7.1 page
> 101.jpg)1980-83 C70 Honda Service Manual: http://tinyurl.com/hu42c1980-81 C70 Troubleshooting Guide:
> http://tinyurl.com/hu42c (scroll to sec.18-1 page
> 170.jpg)1982-83 C70 Troubleshooting Guide:
> http://tinyurl.com/hu42c (scroll to sec. 20-28 page
> 205.jpg)
> 1980-81 C70 Maintenance Schedule: http://tinyurl.com/z4zn61982-83 C70 Maintenance Schedule: http://tinyurl.com/hw35c
> More resources for C70 Passports and Cubs:
> http://www.shlaes.com/Vehicles/Scooter.htmhttp://www.velodrome.com/HondaC70/HondaC70.htmlYahoo! Groups Links
> To visit your group on the web, go to:
> http://groups.yahoo.com/group/Honda-C70/
> Your email settings:
> Individual Email | Traditional
>
> To change settings online go to:
> http://groups.yahoo.com/group/Honda-C70/join(Yahoo! ID required)
>
> To change settings via email:
> Honda-C70-digest@yahoogroups.com Honda-C70-fullfeatured@yahoogroups.com
> To unsubscribe from this group, send an email to:
> Honda-C70-unsubscribe@yahoogroups.com
> Your use of Yahoo! Groups is subject to:
> http://docs.yahoo.com/info/terms/
>
>
>
1970-73 C70 Honda Service Manual: http://tinyurl.com/6ebwtw
1970-73 C70 Troubleshooting Guide:
http://tinyurl.com/6ebwtw (scroll to sec.7.1 page 101.jpg)
1980-83 C70 Honda Service Manual: http://tinyurl.com/hu42c
1980-81 C70 Troubleshooting Guide:
http://tinyurl.com/hu42c (scroll to sec.18-1 page 170.jpg)
1982-83 C70 Troubleshooting Guide:
http://tinyurl.com/hu42c (scroll to sec. 20-28 page 205.jpg)
1980-81 C70 Maintenance Schedule: http://tinyurl.com/z4zn6
1982-83 C70 Maintenance Schedule: http://tinyurl.com/hw35c
More resources for C70 Passports and Cubs:
http://www.shlaes.com/Vehicles/Scooter.htm
http://www.velodrome.com/HondaC70/HondaC70.html
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