Yamaha BWS 50 NG (Next generation)

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Kwackerz
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Yamaha BWS 50 NG (Next generation)

#1 Post by Kwackerz » Sun Feb 24, 2008 8:58 pm

Firstly, an introduction to the BWs50 (Or BW's 50)

Engine type : Air cooling by fan, 2 stroke, monocylinder
Displacement : 49.2 cc
Bore x stroke : 40.0 x 39.2 mm
Compression ratio : 11.2 ± 0.5:1
Maximum power : 2.7 kW @ 6,800 rpm
Maximum torque : 4.0 Nm @ 5,000 rpm
Lubrication system : Separate lubrication
Fuel System : TK
Ignition system : CDI
Starter system : Electric and kick
Transmission system : Automatic with V-Belt
Fuel tank capacity : 6.5 L

Mine I got as a result of a cash and Moped swap for my TT600, It will eventually get passed over to my daughter once she comes of riding age and passes her CBT :smt001

So what's it like to ride... hmm... Coming off a 100BHP bike? A bit fekkin' slow to be honest.. Ours does 46mph with 16 stone of rider on it. It will also do 46mph with that rider and a passenger on it. The key I guess is '46' Probably something to do with Rossi. He probably had one as a kid so they chose his race number as the top speed.. or vice versa. I shall ask him one day.

Anyways, it doesnt go too badly. The bike warms up readily enough (Air cooled 2 stroke) while youre putting your helmet and gloves on (Always important to treat a 2 stroke with some modicum of respect with regards warming it up.. ask any RD50 owner who's had to rebuild theirs..)
The auto drive is quick to respond and scoots the bike away from lights perfectly quickly to keep up with non-boyracer traffic up to about 35mph.

Indicators are clear and the lights (quite large unit on the back, twin headlight up front) enable you to be able to hold some road presence. Ive not felt 'scared' riding it yet, although coming off a big bike, I refuse to ride in the gutter for cars, trucks and buses. I'd imagine the lack of L plate helps there though..

Handling is quite good for a scootery moped thing. Not quite as 'on it' as the earlier BWs 50 we owned the other year, the NG feels a bit more refined and fluffy than the Mk 1 version, but it will go round bends quite well. Tighter turns arent really a joy.. turning off a main road onto a lesser housing estate road requires care not to drift out to the centre line, although I have a feeling my refusal to back off the throttle and lose momentum has something to do with that.. Give it it's due, the frame doesnt flex like a Honda Melody does.. :smt005 :smt005

Braking is good, the front disc brake works ably to trim the Ped round bends, etc (unlike a bike where you use the rear) with light finger work required only to achieve full stopping power. When ive left it waaay too late (no engine braking remember) the rear brake has had to be pulled on as well and this really does pull the bike up. it's drum braking, but waay better than the RXS 100 used to be back in it's day. This actually works :smt005

Overall I'd score this a 7 out of 10, (with 10 out of 10 being 'perfect')
A thoroughly capable 'Ped with enough handling, power and presence to make it reasonably safe to ride whilst being able to bring some fun to the proceedings. You cannot get it right over to the edge of the tyres. Ive tried.

Please note, despite the big tyres, it is crap offroad.. :smt018

Image
This is a pic of the latest one out of the Yamaha stable.

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