Yamaha XC155 (SMax) thread

Discussion in 'Battle Scooters' started by Chillis, Aug 28, 2014.

  1. IdleUp

    IdleUp Adventurer

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    LOL I've seen a lot of images of that damn sticker on the Max machines. I'm probably the best sticker remover out there but the one on the Max had me on my knees. Anyhow, as most already know, the best way is to use the old ladies hair dryer to get the plastic off. Next, the magic ingredient to get the stickum off is Silicone spray, its way better than CRC. By the way silicon spray also removes over-spray paint as well.

    Look at this "Pretty Shiny Sticker-less Panel"

    Mike

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  2. Battlephobe

    Battlephobe Adventurer

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    First off. I’m not saying valves needs to be adjusted every 2000 miles or km


    2nd 100% the metal compacts. The hammering action of the valve closing is what causes it. Much like if u hammer a block of steel 100,000x. Take a measurement and for sure it won’t be the same size before and after We are dealing with thousandths of an inch.

    3rd. Carbon doesn’t build up on the seats because the valve is designed to turn. To create equal wear to the valve and it’s seat

    I can tell u have done valve adjustments on 100s of cars

    My personal car has over 370k km. I check the valves every 50,000km. The valves do not go tap tap tap. Most of the valves are in spec each rime I check. But when they are out of spec. They are too tight and not too loose
  3. IdleUp

    IdleUp Adventurer

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    Thanks for the reply - I’m not telling anyone how to maintain their bikes, An owner can check and adjust them once a week if they like. In most cases, even if its slightly off, its not going to make much difference or cause any burnt valves, simply put, checking valve clearance every 2000 miles is a waste of time. The downside of all this valve myth is it encourages or scares owners who don’t have the experience to properly set the valves to undertake the task, which more than likely accounts for what few burnt valves guys post on the forums.

    Just to make my point about the SMax maintenance schedule, the 2000 mile interval valve timing is just about as goofy as the mileage chart at the top of the page that accompanies it, where is says; “2000 Miles "OR" every 6 months” We all know this is bogus, since its telling us our valves are going to need adjustment just because it sat for 6 months.

    What are we really to believe?

    Regards - Mike


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  4. Fiftygrit

    Fiftygrit Been here awhile

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    Funny thing is 2000 miles is 3200 km, so the discrepancy between there miles and km is almost funny. On my Yami WR250R valve check was at 24000 km similar 4 stroke 4 valve head, so I'm not going to panic about mine, just my .2c worth.
  5. IdleUp

    IdleUp Adventurer

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    Hey I've been looking thru posts for the best tall windshield to clean up the airflow. I used run electric bikes (Zero DSR) and by just adding a tall windshield gave me an additional 8 miles of range when compared to the short windshield with wind hitting my flat chest. You don't have to have a degree in aeronautic design to realize by taking the air smoothly around the rider and over his head is going to give you extra speed and fuel mileage. Of course speed was not a problem with the Zero 0-60 was 3 sec but mileage was. So, I'm looking for a tall windshield any suggestions or links would be greatly appreciated.

    Thanks Mike
  6. Fiftygrit

    Fiftygrit Been here awhile

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    I've got a Givi ,it's taller and a bit wider than stock, works great for me, I'm 6ft 1in , I'm not sure where I got it now, maybe Bikebandit.com,
  7. IdleUp

    IdleUp Adventurer

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    Fiftygrit thanks for the reply, I'm 6'2" and the air hits me right at neck level, so it's pretty noisey, so I'm looking at a few options. I have a spoiler on my NM4 I'm going to borrow to see how it works on the Smax, I have outfitted my last three bikes with these spoilers, nice thing is during winter you can deflect the air over your head and in summer you can use it to scoop the air to keep you cool.

    Regards
  8. IdleUp

    IdleUp Adventurer

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    Stuck one of my MRA spoiler’s on my SMax today and thought I would share the images. This is going to be a must during cool weather as it pushes most of the air over my head and I’m 6’2”. When Linda rode the bike, she said it totally blocked all the air on her helmet.

    The beauty of these spoilers is they are 100% adjustable as shown in my images. You have full control to use it as a defector or as a scoop to force air. These sell for around a $100 and they clamp on your existing windshield with absolute no damage or scratches. When you remove it there is no trace. The only objection was the fact the SMax windshield is rubber mounted, so there is some movement when idling. While I like a windshield, the problem is they are not adjustable. It’s common to leave in the morning and want protection then after noon things change and you need air again. I would think this will provide some additional speed and mileage since it cleans up the air-flow above your chest.

    Enjoy - Mike

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    vertex, ScooterJon and wanna bECO like this.
  9. Kamzilla

    Kamzilla Adventurer

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    Went to start my sMax up last week and it cranked, but no cigar. Checked the fuel, battery, plug, and then figured that I might as well take advantage of roadside assistance and get it over to the dealer. Well, today they called back and said that it has low compression and asked if they can start pulling things as they can't figure it out. Not the news I wanted to hear, since it only has about 9K miles. My only hunch is that they over-tightened the valves when I sent it back to them after the last adjustment, and screwed things up.
  10. IdleUp

    IdleUp Adventurer

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    Not sure you're getting the right story there from the dealer - I'm assuming you drove it somewhere and parked it, so it must have been running Ok when you shut it off, so it "Highly Unlikely" the engine suffered any kind of engine failure while it was parked. If you were driving it and it quit or locked up, then it would be more likely it suffered some kind of failure. I've been hanging around bike repair facilities all my life and you won't believe the stories I've witnessed from guys who only think they are engine mechanics. Is the bike still under warranty- if not, get a "Written" estimate on just the charges to tear it down before you give them the OK, then of course another estimate after they get into it.

    Find out what they are considering low compression, even with low compression the engine is still going to start and run, unless its major and you have a something like a cracked piston, cylinder head, or valve problem, but I don't think so if you drove it home.

    Regards - Mike
  11. Kamzilla

    Kamzilla Adventurer

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    Thanks, Mike. It took a few cranks but it started up when I was at work. I rode it home and the next day, when I went to start it, it wouldn’t go, so after checking everything I listed earlier, I sent it over to the dealer.

    I’m going to reach out to them tomorrow to get more specifics and get an estimate. The guy that called me today wasn’t the regular tech I’ve dealt with in the past, so he may not have the full story straight.
  12. Fiftygrit

    Fiftygrit Been here awhile

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    Thanks for the pics Mike, that's an interesting setup, I never even thought about those when I bought my tall givi, I like that it's adjustable.
  13. johnpitts01

    johnpitts01 Long timer

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    I am in the market for 150cc scooter. Yamaha v Honda. Convince me why I should buy the Yamaha over the Honda.

    Should be easy. I am a Yamaha guy. Super Tenere and WR250R in the garage. Gonna sell the Tenere for the scooter.
  14. Brek81

    Brek81 Been here awhile

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    It looks good parked next to a wr250 ;)
    Seat mod isn't to bad (depending on height)

    After 7500 miles in a month, I'm pretty happy with reliability and ease of maintenance.

    I know very little about scooters, and less about the Honda ones.
  15. klaviator

    klaviator Long timer

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    Smax is faster than the PCX. PCX gets more MPGs. I love my Smax and never really considered the PCX. They are quite different and If I was you I'd check them both out.

    Another 150cc scooter I would consider is the Kymco like 150i. I really like this scooter and it's got a MSRP of $2599. For that price you get a fuel injected 4 valve motor, dual disc brakes with ABS and IMO it's better looking than the Smax or PCX. Top speed of the Like is 70+ making it nearly as fast as the Smax and faster than the PXC. If you are concerned about Kymco reliability it comes with a 2 year warranty. My Kymco Super 8 150 has over 30,000 miles on it and is still running strong.

    If my house and all my bikes were destroyed in a tornado tonight I would certainly buy another small scooter. I'd have a real tough time deciding between another Smax and the Like 150i.
  16. shellfishxu

    shellfishxu Lean in and hold on ...

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    Power aside, The S Max has superior suspension design than PCX from both aesthetic and performance stand point (upgrade single shock vs 2 on pcx). You will also appreciate the flat floor of smax in case you need to haul stuff. I once hauled two full bags of top soil between my legs on the Smax. Pcx is 50 lbs lighter though....[​IMG][​IMG]

    Sent from my Pixel 2 using Tapatalk
  17. sro99

    sro99 one odd owl

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  18. Battlephobe

    Battlephobe Adventurer

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    What made me chose the smax over other scooters (pcx150 bws 125)

    Was the overall higher top speed,flat floor, liquid cooled. But the thing that really caught my attention. I can put a full faced helmet underneath the seat on the smax. Now not all my helmets can fit. And in fact only my Nolan 802rr. And it’s the one I wear the least but it fits so I don’t have to lug a helmet around
  19. mikesova

    mikesova Michigander

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    Hard cases on a ruckus?? Can I see anymore pics?
  20. Brek81

    Brek81 Been here awhile

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    20180528_202958.jpg
    The cannonball is tough on bikes

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