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Kaya75 |
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 Kaya75 Trackday Trickster
Joined: 11 Jan 2015 Karma :  
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 Posted: 11:30 - 01 Feb 2015 Post subject: V-Twin 650ishers |
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Hey wet windy Sunday in front of fire reading up and dreaming of dusty summer rides then..
Anyhow I got my DAS booked in a couple of weeks and have being reading about v-twins and IL4's which adds to my understanding as to why bikers have multiple bikes...
Regardless, I'd be looking at getting a v-twin around 650cc. I can't afford a v-strom in fairness I'd probably be looking at £2k max (inc insurance!!) for a while. I'm a old git and I remember the first time I saw the bandits and monsters, also I've just being reading a old thread and some people suggested a Honda bros ? Is this the same as a NT??
One more thing, is a V Twin at 90 degrees mean that the cylinders are at right angles? So does this mean V-twin lumps are also configured in the degrees that the cylinders oppose each other?
I know this is a horses for courses thread, but the big ole naked monster thump thumps types attract me, I'll admit I more into tractor noises than F1 - plus I fear of get into trouble on a il4 if I need to thrash it's make to it screeeeeeeem, the trouble is I've no clue if these big ole naked monster types are suitable or not..
Thanks for any advice / musings  |
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Rogerborg |
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 Rogerborg nimbA

Joined: 26 Oct 2010 Karma :    
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 Posted: 12:02 - 01 Feb 2015 Post subject: |
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Just to queer your pitch, have you considered a big single?
I wouldn't want to do motorway work on one, but they do deliver the goods low down. ____________________ Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike |
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Snod Blatter |
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 Snod Blatter Crazy Courier

Joined: 21 Nov 2014 Karma :  
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 Posted: 12:38 - 01 Feb 2015 Post subject: |
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A Honda Bros is an NTV stripped of its useful touring stuff and given a silly chain drive instead. They're okay, but I don't see the appeal when you could have an NTV.
A 90 degree V does indeed mean they're at right angles but it doesn't necessarily mean the pins on the crankshaft are also at 90 degrees, they can be varied to reduce vibration. Just as the NTV has a 52 degree V but the crank pins are offset (don't know what to?) to reduce vibration.
I wouldn't get too hung up on it though, less cylinders does tend to mean less peak power but more torque but it's only a function of tuning and perhaps even marketing by now. An SV650 is quite a revvy thing compared to, say, a XJ600 or even any IL4 car engine. Plus big cylinders can be very lumpy and a bit difficult to deal with, they're not everyone's cup of tea! ____________________ 1994 CB250, 1984 CBX250RS-E, 1989 K100RS, 1995 TRX850, 2016 Z250SL |
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Taught2BCauti... |
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 Taught2BCauti... World Chat Champion

Joined: 12 Jan 2012 Karma :    
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 Posted: 12:42 - 01 Feb 2015 Post subject: |
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I believe the Bros was a 400cc V Twin, and the 650cc version was called the Hawk.
The degrees mentioned, refer to the angle made between the centre-lines of the cylinders, but I wouldn't worry too much about it.
Vee engines have issues with crankshaft balancing, but this is compensated for in the design, so again, not much to worry about from an owner's perspective. ____________________ Honda Varadero XL125(V8)
www.TheFutureIsHere.eu |
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moonzoomer |
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 moonzoomer World Chat Champion
Joined: 01 Jul 2012 Karma :   
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G |
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 G The Voice of Reason
Joined: 02 Feb 2002 Karma :     
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nowhere.elysium |
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 nowhere.elysium The Pork Lord

Joined: 02 Mar 2009 Karma :    
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 Posted: 18:00 - 01 Feb 2015 Post subject: |
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Aside from being chain driven, I'd personally recommend an SV650 over an NTV, but that's purely down to the fact that NTVs are older (therefore more likely to be ragged/requiring a bit more spannering input), and I don't like non-90 degree Vs.
That said, NTVs have got the massive advantage of shaft drive, and if you go the whole hog and get a Deauville, you've got shaft drive, full fairings and integrated luggage. ____________________ '10 SV650SF, '83 GS650GT (it lives!), Questionable DIY dash project, 3D Printer project, Lasercutter project |
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Rogerborg |
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 Rogerborg nimbA

Joined: 26 Oct 2010 Karma :    
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G |
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 G The Voice of Reason
Joined: 02 Feb 2002 Karma :     
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 Posted: 19:02 - 01 Feb 2015 Post subject: |
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Take a 600 big single and a 600cc sports bike both in a gear geared for 75mph and the sports bike will be way more responsive rolling on at low revs.
Torque figures are all well and good, but to give a useful indication, you need to factor in gearing which reduces them. |
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Clanger |
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 Clanger Stirrer

Joined: 27 May 2004 Karma :    
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MCN. |
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 MCN. Banned
Joined: 31 Aug 2014 Karma :     
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hmmmnz |
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 hmmmnz Super Spammer

Joined: 22 Aug 2006 Karma :   
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 Posted: 00:51 - 02 Feb 2015 Post subject: |
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ill put it out there, dont discount parallel twins,
the tdms and trx850s are both awesome, with the 270' crank they react exactly the same as a vtwin, and a tdm can be bought for peanuts
failing that a good old gs500 er5 cb500 are all good commuter style parallel twins, ____________________ the humans are dead
I kick arse for the lord
Wiring Diagrams BIDNIP it bitches |
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Pigeon |
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 Pigeon World Chat Champion

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Pigeon |
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 Pigeon World Chat Champion

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hmmmnz |
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 hmmmnz Super Spammer

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-Monty- |
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 -Monty- World Chat Champion

Joined: 20 Apr 2012 Karma :   
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 Posted: 19:55 - 02 Feb 2015 Post subject: Re: V-Twin 650ishers |
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Kaya75 wrote: | So does this mean V-twin lumps are also configured in the degrees that the cylinders oppose each other? |
By this, do you mean 180 degree cylinder configuration? If so then this would be a Flat/Boxer Twin engine, very popular with BMW motorcycles.
Also, I believe I am correct in saying that when the cylinders are configured at above 90 degrees, it becomes known as an "L-Twin" rather than "V-Twin." This seems to be popular in Ducati motorcycles.
Finally, as has been said by others, don't limit yourself to just V-Twins. Look at other configurations of engine such as Parallel Twins and In Line Fours. Personally, I would say if your budget will stretch to it, just get the bike you actually want, not what your head says is a sensible first bike. Many people seem to think if they get a big fast bike they will surely die due to the mad powah. In reality though, the bike will only go as fast as you tell it to. ____________________ Present: [Kawasaki ZX7r][Suzuki DRZ 400s]
Past: [Honda PCX 125] [Yamaha RXS 100] [Honda CB 500] [Triumph Speed Four] [Honda ST1100 Pan European - Po-Po Edition] |
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1cyl |
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 1cyl World Chat Champion

Joined: 04 Feb 2004 Karma :  
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 Posted: 21:56 - 02 Feb 2015 Post subject: |
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As Borg said. Try a big single OP. Much fun in many types and you won't find a more thumping soundtrack . ____________________ Chase my Witch up, Catch my Snitch up.
The SMC | The Pit | Stable |
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Ribenapigeon |
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 Ribenapigeon Super Spammer

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Whosthedaddy |
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 Whosthedaddy Super Spammer
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moonzoomer |
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 moonzoomer World Chat Champion
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Kaya75 |
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 Kaya75 Trackday Trickster
Joined: 11 Jan 2015 Karma :  
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 Posted: 21:33 - 06 Feb 2015 Post subject: Re: V-Twin 650ishers |
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-Monty- wrote: | Kaya75 wrote: | So does this mean V-twin lumps are also configured in the degrees that the cylinders oppose each other? |
By this, do you mean 180 degree cylinder configuration? If so then this would be a Flat/Boxer Twin engine, very popular with BMW | - yeah, now 4 pot aircooled boxers, I know those...
Hey all thanks for the replies, good stuff to know, I'm liking a lot if the suggestions, big singles, L-type crank wobble, all good - but in diminishing priorities mechanical tolerances of anything over 5cc are the least of my persional wories!!
Getting a chained blood thirsty speed freak of a IL4 thoroughbred, a big ole bobber, hipster cafe, or a naked daily, it'll come down to sitting on one and not wanting to get off, but it's good info and advice, nice one all.
Anyhow.. I'm different I am, I'm fery special.. I'm.... I'm.....I'm not attaching to a bike..
I'm on my DAS in two weeks any suggestions for a half decent pair of winter gloves?
Its getting a bit fookin cold, and im doing a few mile!![img]w[/img] |
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Old Thread Alert!
The last post was made 10 years, 139 days ago. Instead of replying here, would creating a new thread be more useful? |
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