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Old 09-19-2013, 08:27 AM   #106
hayasakiman OP
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Joined: May 2012
Location: WPB, FL, USA
Oddometer: 159
Nice that you have yours running that well.

I need to do valve adjustment on mine soon. I am start to noticing some ticking sound from exhaust side, using stethoscope.
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Old 09-21-2013, 05:44 AM   #107
gizmo309
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Quote:
Originally Posted by hayasakiman View Post
Nice that you have yours running that well.

I need to do valve adjustment on mine soon. I am start to noticing some ticking sound from exhaust side, using stethoscope.
I didn't set my valves this time around. I didn't want to wait any longer to put it back together. Fully expecting -with my luck - that it would run like shit AFTER it the body panels were back on. It didn't! Runs better every time I take it out. Stopped dripping out of the vent tube too. Question to anyone that has done it- how do you turn the motor to line up the lines to check the valves?

Bob
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Old 09-21-2013, 06:32 PM   #108
rowdyc
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Originally Posted by gizmo309 View Post
I didn't set my valves this time around. I didn't want to wait any longer to put it back together. Fully expecting -with my luck - that it would run like shit AFTER it the body panels were back on. It didn't! Runs better every time I take it out. Stopped dripping out of the vent tube too. Question to anyone that has done it- how do you turn the motor to line up the lines to check the valves?

Bob
You can turn the motor by taking CVT cover off and turn varactor nut.
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Old 09-22-2013, 09:47 AM   #109
hayasakiman OP
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Location: WPB, FL, USA
Oddometer: 159
I turn the crank using a nut on the crankshaft.



I think it was 19mm socket and universal joint that did the trick.
You can get TDC on compression by removing the spark plug and stick finger to feel compression as you turn the crank. You can use screw stick to fine tune to be on exact TDC if you want.
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Old 09-28-2013, 04:28 PM   #110
gizmo309
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Quote:
Originally Posted by hayasakiman View Post
I turn the crank using a nut on the crankshaft.



I think it was 19mm socket and universal joint that did the trick.
You can get TDC on compression by removing the spark plug and stick finger to feel compression as you turn the crank. You can use screw stick to fine tune to be on exact TDC if you want.
Thanks for the tip. I plan on checking the valves after riding season is over. We took it on it's longest ride since we've had it (probably since it's been built!) 64 mile round trip out into the country for lunch. My wife rode it the whole time. She loves the power it has compared to her Metropolitan. Cruised at 45-50 for a couple of stretches. It ran great.The Pirellis stick like glue. I really like those tires. Hope they last.... Checked the gas mileage for the first time- 87.67 mpg. Can't beat that. I re-mounted the top case (correctly). The second owner had the factory top case installed at the dealer. They had it on wrong. Now it's level and secure. Tomorrow I plan on changing the hub oil. I bought a nice syringe to help with the job. Love having a "vintage" scooter.

Bob
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Old 09-30-2013, 08:45 AM   #111
hayasakiman OP
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Oddometer: 159
That is a great mileage you are getting. To be honest, I have not had calculated my gas mileage since I got my scoot. I usually ride the scoot for commute to work. Each leg is about 35-38 miles, not for sure, 100%. I do two round trips before filling up from a 5 gallon jug, which is use the gas for pressure washer and others.
Anyways, I'm thinking that I fill about 2 gallons each time for possibly 140 miles of riding, which makes about 70 miles per gallon with 165lbs arse.
I'm pretty happy with this.
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Old 09-30-2013, 11:58 AM   #112
gizmo309
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Originally Posted by hayasakiman View Post
That is a great mileage you are getting. To be honest, I have not had calculated my gas mileage since I got my scoot. I usually ride the scoot for commute to work. Each leg is about 35-38 miles, not for sure, 100%. I do two round trips before filling up from a 5 gallon jug, which is use the gas for pressure washer and others.
Anyways, I'm thinking that I fill about 2 gallons each time for possibly 140 miles of riding, which makes about 70 miles per gallon with 165lbs arse.
I'm pretty happy with this.
I think you're doing better than you think- the tank only holds 1.8 gallons. If you ran it dry you'd still be getting 77.78 mpg. 140 divided by 1.8. I fill it to the bottom of the bar in the tank each time. You're probably in the same area as we are gas mileage wise.

bob
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Old 09-30-2013, 06:12 PM   #113
cheap bastard
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Fuel consumption with my Riva has been 75-85 mpg depending on how much use in town. A 150 mile trip through the countryside with only a few stop signs resulted in 100 plus mpg while moving along at extended runs of 55mph. The trip was mostly through hilly Rock and Green counties in Wisconsin. The tyre pressures were in the 39psi range. Fuel was 93 octane and the bike has a wind screen. There were Riva power cutting events as there always are if it gets run over 55mph for long runs.
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Old 10-07-2013, 08:15 AM   #114
hayasakiman OP
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Originally Posted by gizmo309 View Post
I think you're doing better than you think- the tank only holds 1.8 gallons. If you ran it dry you'd still be getting 77.78 mpg. 140 divided by 1.8. I fill it to the bottom of the bar in the tank each time. You're probably in the same area as we are gas mileage wise.

bob
You were right about my MPG. I had done a calculation the other day. I am getting about 84 MPG on my commute, it seems, mostly 45 to 50 MPH on one leg and 40 to 45 on the other leg.

Quote:
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Fuel consumption with my Riva has been 75-85 mpg depending on how much use in town. A 150 mile trip through the countryside with only a few stop signs resulted in 100 plus mpg while moving along at extended runs of 55mph. The trip was mostly through hilly Rock and Green counties in Wisconsin. The tyre pressures were in the 39psi range. Fuel was 93 octane and the bike has a wind screen. There were Riva power cutting events as there always are if it gets run over 55mph for long runs.
Service manual calls for 21 psi and 28 psi for up to 198 lbs. 43 on back if you are loading between 198 to 370 lbs.
I had tires inflated up to 44 psi (front and back) from a bike shop where a tech done my tire change. It made the scoot so unstable, made me scared.

I think if you change your vac operated petcock to manual petcock, you'll eliminate that power loss issue. I had the same issue till I did the change over on mine.

hayasakiman screwed with this post 10-07-2013 at 10:46 AM
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Old 10-07-2013, 03:28 PM   #115
gizmo309
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Got a chance to check out the Pirelli's grip in rain on Saturday. We were out for a nice ride and stopped to have lunch. Our waitress said - "Well that rain they were calling for looks like it made it"- Oh, oh. My wife never rode in rain and my experiences are limited. When we left the restaurant it was sprinkling, by time we got close to home it was a monsoon. We had to pull over under a train over-pass until it slowed down. The Riva stuck like glue (as did my ancient Piaggio BV200) and both ran perfectly. It was actually a fun experience. Spent the rest of the afternoon in the garage cleaning them and having a "few" beers. Just another part of the fun of riding/owning scooters!

Bob
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Old 10-08-2013, 05:47 AM   #116
hayasakiman OP
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Two thumbs up for Pirellis.

You must be keeping your rides spit shine. Another thumbs up.

Now, can I bring mine to you? lol
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Old 10-08-2013, 04:47 PM   #117
gizmo309
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Originally Posted by hayasakiman View Post
Two thumbs up for Pirellis.

You must be keeping your rides spit shine. Another thumbs up.

Now, can I bring mine to you? lol

Bring it on over. I just bought a six of IPA and the sun is out! I took the bad boy to the store today after work and loaded up the top case with grill fixens. Enjoying this weather while we can!

Bob
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Old 04-10-2014, 02:02 PM   #118
gizmo309
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Got the ole Riva out of hibernation. It took about 10 tries to get it started the first time after sitting for 5 months. I took it out for a spin for the second time today. Runs like it was just made. I am so impressed how this scoot runs for a 20 year old 125. Had a blast zipping around the park this afternoon. 40 mph winds were hardly pushing me around. Hitting them head on was another story- wow. Gonna burn through the old gas and it will be ready for Summer. I already burned through a tank in my Piaggio- it will be ready after some much needed maintenance.

Bob
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Old 04-11-2014, 07:37 AM   #119
hayasakiman OP
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Location: WPB, FL, USA
Oddometer: 159
Nice!!

I've put on about 2200miles since rear tire change to Kenda K329.
It seems like I can go for another 2000miles from the meat it still has.
Did couples of oil changes, too.
And, cleaned the air filter.
Other than these, my 125 is maintenance free.

Here in SoFL there's no hibernation on two wheelers.
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Old 04-11-2014, 12:54 PM   #120
gizmo309
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Nice!!

I've put on about 2200miles since rear tire change to Kenda K329.
It seems like I can go for another 2000miles from the meat it still has.
Did couples of oil changes, too.
And, cleaned the air filter.
Other than these, my 125 is maintenance free.

Here in SoFL there's no hibernation on two wheelers.
This was the longest hibernation ever for me with the two wheelers. 5 Months! My Piaggio which also has a carb fired right up just like is if it had fuel injection. Amazing scoot. My wife's Met was a total pain in the ass to get going. I had to use starting fluid on it. My Reflex started after about 5 tries. It is up for sale so I haven't ridden it at all. I get more thumbs up when I'm on the Riva than any of the others. I always come back with a dumb smile on my face when I take the Riva out. I need to get a bottle of touch up paint for a few SMALL nicks that it has. ColorRite wants 8 zillion dollars for a "system"- I just want a $6.00 bottle of paint..... Search to continue.

Bob
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