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Old 12-22-2013, 03:13 PM   #16
k-moe
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Quote:
Originally Posted by ChipsonFriday View Post
If I am riding the scoot at some pace (25-30MPH) when I start the hill climb I can get to the top. It's just if I stop halfway up the hill and then try to continue it fails. Which sort of suggests that it may just have the guts if only I can coax it from a stand still to a crawl - and then who knows...
I wasn't meaning to rag on you about the weight. I'm 220lb myself, and have dealt with the small engine/ big load metric before.

One thing to look at then is if there is a different final drive gearset that was used on a different model scooter. Gearing down the final drive would likely get you up those hills without losing much on the top end.

Another possability would to read the rules liberally. Is there anything that would prevent you from using a moped? Adding a little "people power" to the engine would definately help on the hills.
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Old 12-22-2013, 05:16 PM   #17
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If you don't want to buy several sets of rollers to experiment with, buy an inexpensive electronic scale. Mine is a hundredth of a gram scale.
I put a metal burr bit in my drillpress and grind a little out of the inside metal sleeve.
If you have time, go maybe 1/2 gram per roller, I'm assuming you have six rollers, which gives you 3 grams less weight.
I've never experimented on a 50cc before, so I don't know how much it takes to make a big change.
On my 250cc, I went down 1 gram per roller to a noticable change.
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Old 12-22-2013, 10:40 PM   #18
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No offence taken.

Someone else I know suggested a change of final drive. I think that will be my last resort. I have a set of rollers from 5.5 to 7.0 grams so will star to experiment.

Forty years ago when I had my first and only 50cc moped I can remember using the peddles on occasion to assist me up the hills. So it was a problem then I guess, but I just expected it then...

I'm not giving up though and have to thank you all for you support and suggestions.


Chips
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Old 12-23-2013, 09:31 AM   #19
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I had the SF2, and it went up hills bone stock, but I agree with what others
have said, lighter rollers, 10% lighter then stock should be more then enough
especially since you already have a rather aggressive spring there.
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Old 12-23-2013, 07:21 PM   #20
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Brutally honest #2: If you weigh 240 lbs what in hell are you doing with a 50cc scooter in the first place? You should be riding a 650cc Burgman. I read your original post and subsequent posts. You seemed vaguely surprised when, on the hill in question, you stopped and couldn't get it proceed on up the hill? Talk about great expectations.

Really, forget the contest. Get a maxi scooter.
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Old 12-23-2013, 09:31 PM   #21
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Originally Posted by blugg1 View Post
Brutally honest #2: If you weigh 240 lbs what in hell are you doing with a 50cc scooter in the first place? You should be riding a 650cc Burgman. I read your original post and subsequent posts. You seemed vaguely surprised when, on the hill in question, you stopped and couldn't get it proceed on up the hill? Talk about great expectations.

Really, forget the contest. Get a maxi scooter.
Well you're no fun at all.
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Old 12-23-2013, 09:52 PM   #22
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Quote:
Originally Posted by blugg1 View Post
Brutally honest #2: If you weigh 240 lbs what in hell are you doing with a 50cc scooter in the first place? You should be riding a 650cc Burgman. I read your original post and subsequent posts. You seemed vaguely surprised when, on the hill in question, you stopped and couldn't get it proceed on up the hill? Talk about great expectations.

Really, forget the contest. Get a maxi scooter.
These bikes are rated for over 300lbs.

To the OP, are you planning on any mods other than transmission work?

You can get the tuned pipes that are not too loud that will give you an all around bump in bhp.

Is this a carbed bike or injected?
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Old 12-23-2013, 10:16 PM   #23
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Quote:
Originally Posted by blugg1 View Post
Brutally honest #2: If you weigh 240 lbs what in hell are you doing with a 50cc scooter in the first place? You should be riding a 650cc Burgman. I read your original post and subsequent posts. You seemed vaguely surprised when, on the hill in question, you stopped and couldn't get it proceed on up the hill? Talk about great expectations.

Really, forget the contest. Get a maxi scooter.
Blugg1 you clearly didn't read my posts very well. I already have a GS1200 so this 50cc scoot is not my day to day bike.

It's a challenge!


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Old 12-23-2013, 10:21 PM   #24
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Originally Posted by brianwheelies View Post
These bikes are rated for over 300lbs.

To the OP, are you planning on any mods other than transmission work?

You can get the tuned pipes that are not too loud that will give you an all around bump in bhp

Is this a carbed bike or injected?
It's a very small carb.

I didn't originally intend to mod it very much other than to get it running and legal. That's done - except for the hills.

So I might just have to think about changing the pipe and modding the carb to match (or even replacing the carb with a meatier one).

I'm changing the rollers in the variator over the Christmas break. So will see what I have to do if I don't get any results from that.


Chips
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Old 12-24-2013, 07:03 AM   #25
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Quote:
Originally Posted by blugg1 View Post
Brutally honest #2: If you weigh 240 lbs what in hell are you doing with a 50cc scooter in the first place? You should be riding a 650cc Burgman. I read your original post and subsequent posts. You seemed vaguely surprised when, on the hill in question, you stopped and couldn't get it proceed on up the hill? Talk about great expectations.

Really, forget the contest. Get a maxi scooter.
Don't agree at all, this is a 5hp, 200lbs scooter, a lot more power then
most, and should be fine going up any hill.

It did well with me on (I was around 190lbs at the time), and was
completely stock. It also did 52-53mph indicated.
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Old 12-24-2013, 07:04 AM   #26
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Quote:
Originally Posted by brianwheelies View Post
These bikes are rated for over 300lbs.

To the OP, are you planning on any mods other than transmission work?

You can get the tuned pipes that are not too loud that will give you an all around bump in bhp.

Is this a carbed bike or injected?
It's carbed.

I'll add to this post, since my speedfight came with a leovince zx pipe.
I took it off because of the noise and drop in MPG figures, but it's supposed
to add about 1hp and it sure made a completely stock scooter move along
a lot faster.

The stuffing inside lasts only a few months though.
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Old 12-24-2013, 08:02 AM   #27
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CHIPSONFRIDAY: Oops, my bad. I failed to read that you already had a motorcycle (and a big one at that) and that you were riding the scoot for the fun and challenge.

My apologies.

I, too, have a scooter and do questionable things like riding it on bad dirt roads in the desert, when in fact I have a DR650 that's designed for just that.

Yes, the fun and the challenge.
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Old 12-24-2013, 08:05 AM   #28
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CHIPSONFRIDAY: Oops, my bad. I failed to read that you already had a motorcycle (and a big one at that) and that you were riding the scoot for the fun and challenge.

My apologies.

I, too, have a scooter and do questionable things like riding it on bad dirt roads in the desert, when in fact I have a DR650 that's designed for just that.

Yes, the fun and the challenge.
Same thing, had the Kawi 650R, bought the SpeedFight for around town,
soon found out it was fun offroad.

Found some action!


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Old 12-24-2013, 08:25 AM   #29
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Off road - now there's a thought. Maybe I should get some nobblies.


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Old 12-24-2013, 10:40 AM   #30
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Off road - now there's a thought. Maybe I should get some nobblies.
Chips
Kenda K761 and Hutchinson made an offroad tire for the Peugeot TKR
(called Trekker before), not sure about the model.

Just be aware NO engine breaking and no clutch = interesting ride on snow.

I rode it 365 days/year.







5 year old road tires..
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