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martindavid4460
04-02-2015, 03:43 AM
hi guys northern michigan rider here i havent road a bike in about 10 years and just getting back into it since i can afford it now. have lots of noob questions and plan to be here awhile Im a state certified master mechanic when it comes to cars and tinker alot with my bike. . my bikes a 4 cylinder inline engine with overhead cams. The bike is shaft driven while riding today for the first time with others i notice i am having problems keeping up on the highway. im doing 55 with 3.8-4k rpms. at 70 it sounds like its going to blow up at 5k rpms. my uncle was riding a o3 honda 1800 and my cousin was on a 850 twin and were walking away from me with half the rpms. So is there anything i can do to this bike for better highway driving? i know i cant change the gears due to it being shaft driven. is a v style 850 going to be a faster bike then a i style engine what are the biggest differences between a v and a i style bike i thought it would be torque like with a truck. PLEASE HELP

RedneckMedic
04-02-2015, 05:44 AM
Might need a little more info on what bike. What year. Mods done to motor.

Kosher
04-02-2015, 05:53 AM
Welcome to TWM!

Might be helpful to know what bike, we also like pics. :-)

junkyardjon
04-02-2015, 06:47 AM
welcome

martindavid4460
04-02-2015, 02:51 PM
wow i didnt notice that i didnt put any of my info in there lmfao sorry about that guys. the bike a 1982 suzuki gs850gl so far i have put no performance parts on the bike everythings been stock parts. but i did put all new cables tires carb kits clutch tank rings gaskets and bearings new valves and new stock cams the exhaust is new old stock from a local dealer i tried to jet the bike myself since there are no adjustments on the carbs except the idle and couldnt seem to get it rite so paid the suzuki dealer 300 bucks to jet and sync them for me. the bike does great in town 0-60 in like 6 sec and i cant get it to 80 if i stay on it hard but to cruise at 70 the bikes running at 4-5k rpms seems abit high for a 5 speed her are a couple pics of the bike http://i300.photobucket.com/albums/nn11/David_Yourman/11001685_910156812349603_8212516407467698017_o%201 %201_zpsigfcyins.jpghttp://i300.photobucket.com/albums/nn11/David_Yourman/11016145_910156745682943_1775434676605371674_o%202 _zpsfjrgs4l2.jpg

detdrbuzzard
04-02-2015, 05:28 PM
your rpm at any mph will be different that other bikes except another gs 850 so don't judge your bike by that or the rpm of another bike. if you feel your performance isn't as good as it should be start with a tune up, adjust the cam chain, if it has a crank case breather system like Hondas have drain it. how is the response from the carbs? are you running on choke or part choke, dirty carbs get them cleaned also have them synced

Gas Man
04-02-2015, 11:48 PM
:welcome:

I wonder if there "clutches" in the shaft drive.

Junkyard Jon may know more on your bike.

martindavid4460
04-03-2015, 02:38 AM
I am honestly thinking about trading it in on a newer bike im wondering how a 850 vtwin would pull/cruze compared to this bike mind you im 6'3 and 300 pounds. i have a chance to get a 1974 Harley Davidson XL1200 Iron Head for 2k and they will give me a grand for a trade in dont know much about harleys tho any info would be helpfullhttp://i300.photobucket.com/albums/nn11/David_Yourman/vp3832604_5_zpsmrvfpnnz.jpg

RedneckMedic
04-03-2015, 05:36 AM
That 850 in all reality will not like cruising on the highway without sounding like its going to blow up. Just nature of the beast. Is it going to hurt the motor...no, irritating...yes. I don't think you would happy moving to the harley either. While its a cool bike in my book it might just causing you more head aches and wrench time.

If your looking to stay in the 2k range I would look into like a late 90's kawi 1500 or such that will be a bit bigger bike size wise and also give you that top end on the highway.

Larry64
04-03-2015, 10:27 AM
I am honestly thinking about trading it in on a newer bike im wondering how a 850 vtwin would pull/cruze compared to this bike mind you im 6'3 and 300 pounds. i have a chance to get a 1974 Harley Davidson XL1200 Iron Head for 2k and they will give me a grand for a trade in dont know much about harleys tho any info would be helpfullhttp://i300.photobucket.com/albums/nn11/David_Yourman/vp3832604_5_zpsmrvfpnnz.jpg

A '74 is a 1000cc, 4 speed, and it has RIGHT foot gear shift. They are fun, easy to work on and were hot rods in their day, but with a 4 speed and its age it is not going to hang with newer bikes. Check out the XL forums.

martindavid4460
04-03-2015, 01:39 PM
actually found a 2001 Kawasaki Vulcan 1500 Nomad for 3k but it has 53k miles on it not sure how many miles would be to many for this bike

Larry64
04-04-2015, 09:11 AM
53k on a water cooled bike is not a problem. Big power, big frame and shaft drive. That would be a good bike. If it's clean and overall looks well taken care of don't worry about it. Just remember you do need to change coolant every few years and the car kind is not good for bikes.

RedneckMedic
04-04-2015, 09:39 AM
The way Ive always looked at it is same year and double the miles on a car would that worry you.

Kosher
04-04-2015, 10:02 AM
What I cant understand is why Harley has such a hard time designing radiators that are well hidden? The Vulcan is a sharp looking bike, and at least from the pictures you really need to look hard to find the radiator.

The radiators on VRods and Streets are enormous and hideous!

Granted on the touring bikes Harley has managed to hide the radiators in the lowers, which is fine for bikes that have lowers, but I cant see where thats the permanent/long term solution. Lots of riders dont want lowers.

junkyardjon
04-04-2015, 12:52 PM
wow i didnt notice that i didnt put any of my info in there lmfao sorry about that guys. the bike a 1982 suzuki gs850gl so far i have put no performance parts on the bike everythings been stock parts. but i did put all new cables tires carb kits clutch tank rings gaskets and bearings new valves and new stock cams the exhaust is new old stock from a local dealer i tried to jet the bike myself since there are no adjustments on the carbs except the idle and couldnt seem to get it rite so paid the suzuki dealer 300 bucks to jet and sync them for me. the bike does great in town 0-60 in like 6 sec and i cant get it to 80 if i stay on it hard but to cruise at 70 the bikes running at 4-5k rpms seems abit high for a 5 speed her are a couple pics of the bike http://i300.photobucket.com/albums/nn11/David_Yourman/11001685_910156812349603_8212516407467698017_o%201 %201_zpsigfcyins.jpghttp://i300.photobucket.com/albums/nn11/David_Yourman/11016145_910156745682943_1775434676605371674_o%202 _zpsfjrgs4l2.jpg
im trying to understand something.. up to 60mph your good, above 80mph it stops pull? the dealer didn't rejet shit and you got raped to sync carbs for $300. anyhoo if the bike runs out of steam at higher speeds it could be a couple things like hard carb boots, bad boot clamps , etc.
that iron head sporty.... hell no, but Im not a fan of them anyways lol

i'd be happy to look at the suki for you if you want

RedneckMedic
04-04-2015, 04:48 PM
Jon would be the guy to get it running right for you

Gas Man
04-05-2015, 11:17 PM
I second talking to Jon about it. He's the motorcycle whisper'er when it comes to these steeds.

Moesride
04-12-2015, 08:15 PM
Welcome :cheers: