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Old 09-29-2010, 10:11 AM   #46
Mario Shi
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Fuel Milage

Hi guys,

Just filled up my newly acquired 1985 CH150 with gas. I calculated 62 miles per gallon. Is this about what you are all getting in city/stop/go conditions without being too careful with the throttle?

Thanks! Mario
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1985 CH150D
1994 R100 GS PD
1967 R60/2

1989 XL600V TRANSALP
1999 XRV750X Africa Twin
1998 XR400r - plated & electric start
1999 XR250r - plated
1998 M900

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Old 10-22-2010, 01:12 PM   #47
Twisted Martini
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How many exhaust gaskets?

How many exhaust gaskets fit on the muffler of an 85 Elite? I have put 2 previously, but they always seem to burn up and then it begins sounding rather flatulent and runs hot.
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Old 10-23-2010, 02:32 AM   #48
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common problem with all elite and helix scooter is gaskets going .
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Old 10-26-2010, 08:43 PM   #49
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Yea, that is extremely common. I just gave up on those junk crap exhaust gaskets. It would be cool if someone could engineer a better gasket that would make it to at least 3 or 4 thousand miles .


Oh, and Mario Shi, that does sound a bit low to me. I mostly ride in the city and on back roads, with the occasional interstate ride, and I average around 85-95 miles per gallon on my 1986 Elite 150 Deluxe with an 87 engine. I, like you, don't exactly accelerate lightly from lights, and I hold 65 mph at times. It sounds like you might need to adjust your valve timing, replace your air filter, adjust your carburetor, check your transmission, and so on. 62, is a lower MPG for a 250 cc scoot in general. What speed are you topping out at? I top 68-70 mph.

btcn screwed with this post 10-26-2010 at 08:50 PM
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Old 10-27-2010, 08:17 AM   #50
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Quote:
Originally Posted by btcn
Yea, that is extremely common. I just gave up on those junk crap exhaust gaskets. It would be cool if someone could engineer a better gasket that would make it to at least 3 or 4 thousand miles .

Silastic.

Sounds dodgy, works excellent.
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Old 10-28-2010, 12:32 AM   #51
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I think i ve heard of people making up there own copper gasket like they do for old car heads. Don't have a clue how it's done but that would be one way of doing it.
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Old 10-29-2010, 09:37 PM   #52
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Silastic?

Do you make your own or buy them some where? I'd love to get my hands on something better than the crappy OEM ones.
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Old 10-29-2010, 11:26 PM   #53
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I ve never done it but in old and I do mean old car they used copper as a head gasket . You have to google on making a head gasket out of copper and then use the info to temper the copper . I think you could use a copper pipe turn down to the right size or from one out of sheet of copper.
As I said this is just half remembered info about someone doing it themselves.
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Old 10-29-2010, 11:43 PM   #54
Mario Shi
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Quote:
Originally Posted by btcn
Yea, that is extremely common. I just gave up on those junk crap exhaust gaskets. It would be cool if someone could engineer a better gasket that would make it to at least 3 or 4 thousand miles .


Oh, and Mario Shi, that does sound a bit low to me. I mostly ride in the city and on back roads, with the occasional interstate ride, and I average around 85-95 miles per gallon on my 1986 Elite 150 Deluxe with an 87 engine. I, like you, don't exactly accelerate lightly from lights, and I hold 65 mph at times. It sounds like you might need to adjust your valve timing, replace your air filter, adjust your carburetor, check your transmission, and so on. 62, is a lower MPG for a 250 cc scoot in general. What speed are you topping out at? I top 68-70 mph.
I haven't really tested the top speed just yet. I'll be sure to grab my GPS next time I go out and give it a good run. Thanks for the recommendations. The only thing that I've done since I acquired the scooter was change the oil, adjusted the valves, replaced the air filter, and change the tires. I haven't done anything with the carb. What do you suggest I do with the transmission?
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Mario Shi
1985 CH150D
1994 R100 GS PD
1967 R60/2

1989 XL600V TRANSALP
1999 XRV750X Africa Twin
1998 XR400r - plated & electric start
1999 XR250r - plated
1998 M900

Ahhh, if it was that, then it would be it - Butt Head
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Old 10-30-2010, 09:24 AM   #55
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Quote:
Originally Posted by Mario Shi
I haven't really tested the top speed just yet. I'll be sure to grab my GPS next time I go out and give it a good run. Thanks for the recommendations. The only thing that I've done since I acquired the scooter was change the oil, adjusted the valves, replaced the air filter, and change the tires. I haven't done anything with the carb. What do you suggest I do with the transmission?
Well for the transmission, just take the cover off [kind of a pain as you will need to take the side floor boards off, and just look it over. Check the belt, and see if the roller weights are in good condition, as well as the clutch.

You almost are always in stop/go city conditions? Do you usually go WOT from the stop lights? Maybe that is why. I do some city riding, but mostly back roads doing around 50-55 mph and two lane highways at around 60 mph. Try riding on back roads or a small highway or laying off the throttle a bit, and see what happens. Good luck, ask anymore questions you might have, these things can be a real pain sometimes!
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Old 10-30-2010, 06:19 PM   #56
Mario Shi
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Thanks, btcn.

Guess it's time for me to suit up and go for a road trip.
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1985 CH150D
1994 R100 GS PD
1967 R60/2

1989 XL600V TRANSALP
1999 XRV750X Africa Twin
1998 XR400r - plated & electric start
1999 XR250r - plated
1998 M900

Ahhh, if it was that, then it would be it - Butt Head
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Old 10-30-2010, 09:53 PM   #57
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Quote:
Originally Posted by Mario Shi
Thanks, btcn.

Guess it's time for me to suit up and go for a road trip.
Sounds like fun! No problem, post your results!
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Old 12-03-2010, 09:05 PM   #58
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Quote:
Originally Posted by ernest t bass View Post
ive owned 3 elite 150's over the years and 58 was the exact top speed of all three.

"Elite 150's are the coolest scooter's ever made, espically the '85 and '86 D models."

couldnt agree more!!!

but, 87 model 150 elite's are easier to do custom paint jobs on.
which after 13 years outside, yours probably needs.




I know that this is an old post, but how are you guys only getting 58 MPH out of your Elites? A properly running Elite 150 should do 65 MPH. I can hit 70 MPH or so on GPS with my Elite with the wind at my back on a long, flat highway stretch. The OP should also check his CDI, and maybe everyone should consider checking their electrical system thats only getting 55-58 MPH.
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Old 06-19-2011, 07:55 PM   #59
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alright,

so i've replaced the carb (ch150 ebay made in china, I dont' see anywhere for the pcv valve tube to go so i just capped off), cvt belt, final drive gear oil, cvt clutch shoes, roller weights, exhaust gasket, rubber tube connecting engine and carb. I am still having intermittent power issues...

the engine had a bunch of oil/gunk so i decided to use to some engine degreaser so that my hands wouldn't get so damn dirty every time i worked on it. anyhow, here is the thing... after washing down the engine and putting the panels back on i took it for a spin and bam, it was running great most of the time. assuming it was because the moisture was gone from the engine? As an experiment, I took off the center cover and sprayed water onto the carb/engine area this morning tried to start it up again. bam!, full power!? went for a ride this evening and low power again? This is SO weird!!!

Any suggestions? Could this be something electrical or vaccum related? maybe the moisture is sealing off a leak or facilitating a bad electrical connection? I know that the CDI was replaced a few years back when we did a "make run" after it was sitting for a while... I checked the vaccum lines going to the carb, and did my best to check that they were on as tight as possible. there are the original metal clips on there to hold them in place. I bought some hose clamps but they are a bit too large, going to try and find some smaller ones.

anyhow, when its running poorly it tops out at around 40-45mph at full throttle. when running "well", I could probably make it to 60-65 and it sounds much more "throaty". lol

thanks!
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Old 06-19-2011, 08:10 PM   #60
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You don't need to cap off the PCV hose. Its function is to relieve the crank case pressure. other wise excess pressure builds up in the crank case. Just let it hang loose if nothing else.
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