zxr400 rvf400 Lams approved?

[Feisty92]

Can anyone shed some light as to why the zxr400 and rvf400 are on the list at all?
Ive tried working out the calculations myself but end up with numbers waaaay over the allowed power ratio
I know the rvf had lower power levels stated from the factory but even with the lowest number i can find its still over the limit, same goes for the zxr

[FJRider]

Why is there an issue (with you) having them ON the list .. ??

[Feisty92]

Why is there an issue (with you) having them ON the list .. ??

Ony coz I cant find one :P
I guess im trying to understand something that cant be understood lol

[mr bucketracer]

58hp they stop ,handle.? whats the promblem ? a harly don't

[R650R]

In standard form they don't make a hell of a lot of power and are relatively heavy for what they are.
Had a ZXR400 great bike and good for 135mph/240k on paper but realistically not a hell of a lot faster than the 250 fours.

[Feisty92]

Basically I want a 400cc lams bike but they are ridiculously hard to find. I was kinda hoping I could get some of the others put on there as theyve all got similar stat

[Vinz0r]

You probably atent factoring in the 90kg allowed for tider + gear, and that's why your formula is way off. When you do that and use factory numbers you'll see that the RVF just scrapes in.

Other supersport fours don't make it because they're too powerful/light.

[Feisty92]

You probably atent factoring in the 90kg allowed for tider + gear, and that's why your formula is way off. When you do that and use factory numbers you'll see that the RVF just scrapes in.

Other supersport fours don't make it because they're too powerful/light.

Using the stats from here
http://www.motorcyclespecs.co.za/mod...f400r%2094.htm

45kw/(90kg+165kg)*1000= 176kw per tonne?

[Ender EnZed]

Using the stats from here
http://www.motorcyclespecs.co.za/mod...f400r%2094.htm

45kw/(90kg+165kg)*1000= 176kw per tonne?

http://en.wikipedia.org/wiki/Honda_R...Specifications

At some point the official number was 53 hp (39.5kW), if you use that with the wet weight of 183kg then it works out to 145kW/T.

[Feisty92]

http://en.wikipedia.org/wiki/Honda_R...Specifications

At some point the official number was 53 hp (39.5kW), if you use that with the wet weight of 183kg then it works out to 145kW/T.

ah that would explain it lol. Do you know how the Zxr got through?

by my maths
43/(90+162)*1000=170kw/t

[HenryDorsetCase]

Basically I want a 400cc lams bike but they are ridiculously hard to find. I was kinda hoping I could get some of the others put on there as theyve all got similar stat

you get that they're 20+ years old now? A good one will cost you what a five year old ER6 or whatever will cost you. IF you can find one. Then you get to deal with Blue Wang - actually I will save you the trouble: you want spare parts? Mate we dont carry them In fact I'm not even sure that's a Honda you have there. Fantastic bikes sure but thin on the ground.

[FJRider]

Using the stats from here ...

The link you gave was for an RVF400r ... (note the r at the end)

The LAM's list features an RVF400 ... (Note ... NO r)




Different models ... different stat's ...

[Ender EnZed]

ah that would explain it lol. Do you know how the Zxr got through?

by my maths
43/(90+162)*1000=170kw/t

Using the wet weight of 189kg can bring it down to 157kW/T but I couldn't find any power figure less than 59hp. Maybe someone managed to apply using a rwhp number.

The Yamaha FZR400 is on there as well, very similar numbers.

[FJRider]

http://en.wikipedia.org/wiki/Honda_R...Specifications

At some point the official number was 53 hp (39.5kW), if you use that with the wet weight of 183kg then it works out to 145kW/T.

Actually ... according to this link ... it's DRY weight.

http://www.motorcycletrader.co.nz/ne...erman-%281%29/

The limit for LAMS bikes is 150kW per tonne. You need to know the power of the bike in kilowatts and the tare weight of the bike. The latter might be a bit hard to find as manufacturers often quote kerb weight. 'Tare' weight is the weight of the bike unladen and with no fluids (oil, petrol and the rest). Kerb weight is the bike plus all fluids and a full tank.

Divide the claimed engine power by the claimed tare weight and multiply the result by 1000.

Using a Royal Enfield Bullet as an example, it claims a power output of 20.2kW and a weight of 187kg. If you divide the power by the weight and multiply the result by 1000 you come up with a figure of 108kW per tonne, well under the limit.

[HenryDorsetCase]

The link you gave was for an RVF400r ... (note the r at the end)

The LAM's list features an RVF400 ... (Note ... NO r)




Different models ... different stat's ...

I don't think that is right. You would need to see the code but they are all NC35XXXX