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Post by mapbike on Sept 6, 2010 20:25:30 GMT -6
Wow thanks for the Dr. JR that was very good information and as to the Castrol it's funny you would say what you did about it running cooler, because I had an uncle that owned a Yamaha dealership from the 60's - 90's he was a Castrol NUT he would not use any other oil in anything, he built custom High perfromance racing engines for many motorcycles and said that the engines would run cooler and last longer under high revs with Castrol than any of the other oils that were around at that time, he had one RD125 twin 2 cycle engine that would twist up to 24,000 RPM's now that was some revs, he said that Castrol would take the heat and pressure better than any other standard oil because of the added Castor OIL thats in it, which is known to be a great 2cycle oil additive. Now of coarse as you pointed out JR changing the oil regular is just as much if not more important than the type of oil a person runs, keeping the oil clean is the main key to reduced engine wear along with good lubrication, thanks for that post JR, if my late uncle was still alive and he could read that post you would be getting a great big Amen from him, he'd say "now that fella knows what he's talking about, ya just cant beat that Castrol"
Shan
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Post by mapbike on Sept 6, 2010 10:07:00 GMT -6
I have resisted posting but since this thread has endured maybe I'm meant to. Mapbike, I didn't mean to crticize you in any way when I posted about reading the Scooter Doc manual, nor sound elitist about what oil the dealers use vs. the average Joe. I simply thought the everyday rider might be interested in what the guys who deal with repairs on a regualr basis think about oils. The various practices regarding sythetics is one case in point. The guy on the street knows his scooter better that anyone and should use what he feels works best for him. I just wanted you to have some opinions from the mechanics to compare your practices to; and also be aware of the manual I worked so hard on and I wonder if anybody....snif  ........  . Anyway, no offense meant my friend, Rich I took NO offense Bashan and the info. you put together is very good, I was just looking for feedback from everyday riders and there personal experiences with lubricants they use and the reasons they feel confident with them, that is all I was after nothing more, nothing less just pure curiosity on my part, so NO offense taken in any way from your post.....I have very thick skin and am not the type to get my feathers ruffled over little silly things even if you had been slightly critical in some way...NO worries here buddy we are all just having a good time here and hopefuly learning a thing or two along the way. Sincerely, Shan |
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Post by mapbike on Sept 5, 2010 19:58:33 GMT -6
To make a fair comparison, you should have tried synthetic with the PTFE additive also. Or, you should have just changed to dino oil without PTFE to see what the difference was. In any case, environmental conditions should be the same if you are making comparisons between oil types and the addition of PTFE additives.[/quote][/color]
When I was running the synthetic I was also using the same PTFE additive so the oil comparison is the same in this area, but I am heavily leaning on the cooler temps. being the primary reason for the increase in performance, I know I used to be involved in drag racing in a small degree and our engines always ran better on the cooler denser air, and it has been being 100-106 in the shade here for the last month or so, and now we are having cooler low 90's in the day and 60's at night plus we are humid right now as well, I guess my oil change was just at the right time to make it seem as though it in itself had made the power increase and I'm still not saying that the oil change made NO difference but it's hard to see how even if it did it would be as noticable as it is.
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Post by mapbike on Sept 5, 2010 18:49:30 GMT -6
Well, i dont know if it is just the slightly cooler air we are having here in central Texas the last few or if it is the oil.....but since I changed my oil from the synthetic to the 15w-40 Castrol with and added PTFE friction reducer my scoot seems to maintain speed up the hills I drive daily better, I know this will get several eyebrows up and maybe even some "whatevers" but the truth is that I lose about 2-3mph less speed now when pulling those hills and the only change I have made is the oil, so I guess this is a puzzler and may actually have nothing to due with switching the oil but it sure sems strange that my top end power would have a noticable increase after swithching to the non synthetic 15w-40 Castrol Diesel oil, I'm not swearing anything here just thought I would post this and see what kind of input I would get on the subject, pretty sure I'm gonna stick with the combination I have now Castrol 15w-40 & Greased Lightning PTFE Treatment.
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Post by mapbike on Aug 31, 2010 8:41:58 GMT -6
Well, from what I see here on this thread thre seems to be more "cons" on the synthetic oil side than "pros" so you fella's thave made me reconsider the use of the synthetics in my scooter, the last thing I want is to have oil leaks due to shrunken seal so just to be on the safe side I have desided to switch back to the standard oil, I changed it yesterday and I put 15w-40 Castrol labeled as heavy duty oil for diesel engines I also added a couple ounces of the "Greased Lightning" PTFE oil additive along with it, when it start cooling off here n central Texas I may drop down to the 10w-30 Castrol for winter.
I will continue to use the synthetics in the engines that have liked them for a good while now, but on the China seal issue you guys may have a great point on why it may be wise to stick with a conventional oil in these GY6 engines, thanks for all the great input here.
Shan
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Post by mapbike on Aug 27, 2010 18:16:09 GMT -6
Nice work.!
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Post by mapbike on Aug 27, 2010 18:13:11 GMT -6
Hey that there is a really nice looking scooter Bash.., I'll bet it will outrun the blue one just like it also....! LOL man that red is nice,Red just makes everything look better......very nice and it has that cool classic look too.
Shan
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Post by mapbike on Aug 26, 2010 22:08:39 GMT -6
Yes the Roketa MC_75_150cc Does have those things.
I was talking about the MC_04_150 Roketa (Scooterdepot calls it the MC_LBT12) which is listed on both sites, the one on superior has Tach and Trunk, the one on Scooterdepot has no trunk and has no Tach, that is all I was making a point about, no big deal just noticed the differences while looking at them both on the 2 sites, the superiorpowersports site has the best deal on that particular scoot in my opinion, but nothing wrong with the other if someone doesnt want to know if they are over reving the engine or someone has no need for the extra storage trunk that in that case could be turned on ebay for a quick easy $15-$20 if they wanted too, plus superior offers the $99 FREE PDI and if a fellow wanted to put a tach on the MC_LBT12 from sc.depot that alone for a good one would almost make up the price difference, but like I said this is only my personal opinion and my personal reasoning between the 2 sites on this particular scoot.
(:~}) Shan
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Post by mapbike on Aug 26, 2010 21:24:15 GMT -6
Possible best bang for your buck here at Superiorpowersports.com, I could have this Roketa scoot delivered to my door in central Texas for $808.00 and this one I nticed, unlike the one at scooterdepot.us has a trunk and it has a Tachometer in the gauge cluster instead of just a speedo. and fuel gauge, having a Tach on these scooters is pretty important when you go to tune on them and its just good to know you aren't redlining the engine all the time as well. www.superiorpowersports.com/ProductDetails.asp?ProductCode=RK150SC%2D04&Show=TechSpecsI plan to buy my next scoot from superiorpowersports because they have the best price on the 250B I want. |
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Post by mapbike on Aug 26, 2010 20:49:23 GMT -6
I bought my Roketa MC-74-150cc from scooterdepot.us just like the MC-75-15cc only mine has the single headlight instead of the dual like the MC-75, I am very satisfied with the service I recieved and the product, I have done the minor tweaks most of us do to my scooter but have not had any mechanical issues that were not resolved by just cleaning some extra grease off the clutch and tightening a bolt here and there.
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Post by mapbike on Aug 26, 2010 19:59:30 GMT -6
Yea I've heard stories about the oil leak issues, many years agao I worked for a after market parts retailer and people would come in and by Mobile 1 oil and put it in an older car or truck that already had many miles on it using Penz or Havoline which are known to cause a little sludge build up over time, and they would come back after a while with oil leaks and engines that had started burning some oil when they were not, I work with a fellow now that has an F150 that has 287,000 miles on it and never had a wrench on it other than belts, plugs, wires and oil changes and trans fluid & filter changed every 30,000-40,000 miles. he has run Motorcraft Semi-Synthetic in it since it was new, no leaks and still uses less than 1/2 quart between oil changes, I think if someone is going to run semi syn or full syn, they should use it as soon as the engine is good and broke in and not wait till the engine is 1/2 used up and then switch over, this is where I think a lot of people mess up with the synthetic lubricants, but this is only my opinion of coarse. Shan
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Post by mapbike on Aug 26, 2010 16:58:25 GMT -6
Rich, I also didnt know about the scooter doc manual, but my question about the oil was not intended for the venders it was a question for all us guys and gals who are on here almost everyday discussing everything head to toe about these scooters, I was just trying to get a look at what most of the peoples on here are using and why they feel from there experience it seems to work best for them, this was directed at the average Joe or Joann ( for the Ladies)... of coarse dealers and venders were not excluded from my thoughts on this question either, myself I've always thought that for the most part the metal parts in an engine dont really know one slick substance from another as long as it is slick enough and will go to and stay where it needs to be under pressure and heat, I like syn. blends and fulls myself because they do for a fact lubricate better, they are much slicker oils, but there are many a engines out there that have never tasted a synthetic of any type that have a gillion miles on them so I think it is really all about using what you feel confident in yourself until it proves itself to you otherwise.
Enjoying all the feed back here....!
God Bless all Shan
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Post by mapbike on Aug 23, 2010 20:28:04 GMT -6
I like the Tank.......!
shan
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Post by mapbike on Aug 23, 2010 20:19:14 GMT -6
Dr. JR you are very right on the price issue, and after saying what I did about price in that post I found that www.superiorpowersports.com also has so pretty awesome prices on the 250's I had actually forgot about them and had not been to their site in a while so disreguard what I said about www.extreme-scooters.com having the best prices on the 250's Thanks for all the info. everyone Shan |
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Post by mapbike on Aug 22, 2010 20:55:36 GMT -6
Since my scooter was new just a little over 800 miles ago I have had an issue with my clutch not working good after it got hot, my scoot was very sluggish taking off as if it were a motorcycle trying to take off in 2nd or 3rd gear, yesterday I was doing some experimental tuning on my variator and desided to pull the clutch off and see if I could find a problem with it, well..........I did GREASE, GREASE & MORE GREASE......all inside the clutch bell and on the friction pads, the inner roller bearing had a huge gob of really nasty low grade looking grease between it and the outer sealed bearing and it had worked it's way out and into the clutch bell and all I can figure is that when the clutch got hot the grease would thin out and oooooozzzz down the edge of the bell and between the pads on clutch shoes, I cleaned all the old grease off everything with brake cleaner and some carb. cleaner and then put the correct amount of a super high heat Super tacky industrial (PEAK) grease back on the roller bearing, put it together and been riding it around the house and put about 12-15 miles on it since the cleaning and regreasing and so far it is working flawlessly, engaging solid hot or cold just as it should. So, if your scooter starts feeling like it is taking off in a high gear and not engaging and taking off like it should you may give the clutch a look over and pull the bell off and see if it has grease in it and on the shoes, yea haw I'm so glad to have this issue resolved it was really bugging me. ;D  ;D |
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........ 
. Anyway, no offense meant my friend, Rich
;D