Fitting an extra/replacement Radiator to my MTX

[MattWadz]

Just a quick question, wondering if anyone would know if i could fit an extra radiator to my MTX? i have a brand new Gilera Runner/Piaggio zip radiator and would like to fit it to my mtx as mine is a bit battered.

il post a link to the radiator id like to use and if anyone has any ideas about what hoses going where id be grateful if they would let me know!

Thanks!

https://www.scooter-works.co.uk/index.php/radiator-giler-runner-dna-piaggio-zip-sp-50cc.html
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Pitbike x2, Mini Moto x4, China Quad, 02' Suzuki AP50 > 03' MBK Nitro > 86' Suzuki GP100 > 02' Yamaha Jog R > 57' Honda Lead 100 > 95' Piaggio ZIP Rst 50 > 51' Suzuki TS50x > 83' Honda CB125TDE Twin > 51' Yamaha Aerox > 98' Kawasaki KX60 > 89' Yamaha DT50MX > 80's Honda QR50 > 05' CG clone > 125cc China Pitbike > 91' Honda MTX125 RW-L > 09' Peugeot Speedfight 2 LC LR > Lucky MX 140cc > Apache Tomahawk 50 Quad (current = 2010 Yamaha WR125R

[G]

Why do you need the extra radiator?

Generally it shouldn't be too much hassle, but you do need to consider putting the waterpump under more strain.

However, at this time of year you generally shouldn't need any more cooling - so if it's because of an underlying issue, it'd be much better to fix that!

[RhynoCZ]

It sure is possible but why would you do it?

EDIT: If it goes too hot, then there's a problem somewhere. Extra radiator would result in too cold engine = worse performance.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor

[MattWadz]

ahhh your right i see what you mean about the water pump being under strain, any way i could just replace my standard (bent/leaky) one with the one i already have? as sort of an upgrade? the new rad i have from the runner/zip is from a 12 plate bike so surely its ability to cool will be much greater?

Any thoughts on where i would put the coolant pipes as in what orientation?
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Pitbike x2, Mini Moto x4, China Quad, 02' Suzuki AP50 > 03' MBK Nitro > 86' Suzuki GP100 > 02' Yamaha Jog R > 57' Honda Lead 100 > 95' Piaggio ZIP Rst 50 > 51' Suzuki TS50x > 83' Honda CB125TDE Twin > 51' Yamaha Aerox > 98' Kawasaki KX60 > 89' Yamaha DT50MX > 80's Honda QR50 > 05' CG clone > 125cc China Pitbike > 91' Honda MTX125 RW-L > 09' Peugeot Speedfight 2 LC LR > Lucky MX 140cc > Apache Tomahawk 50 Quad (current = 2010 Yamaha WR125R

[RhynoCZ]

[G]

[MattWadz]

ahhh i know what you mean! im going to mount it up tommorow go for a run for about 20 minutes then come back and take a temperature reading of the barrel, and obviously il do the same with the old one before hand so i have something to compare to, just a bit of a mess about/experiment really!

So the hose coming from the engine goes to the top, and the hose going into the water pump should come from the bottom of the rad?

What about those 2 smaller hoses on top? my original rad only has one smaller diameter pipe at the top? i think its a leakoff pipe, should i just join them together using a Y piece and lead it to the original overflow tank?

Thanks
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Pitbike x2, Mini Moto x4, China Quad, 02' Suzuki AP50 > 03' MBK Nitro > 86' Suzuki GP100 > 02' Yamaha Jog R > 57' Honda Lead 100 > 95' Piaggio ZIP Rst 50 > 51' Suzuki TS50x > 83' Honda CB125TDE Twin > 51' Yamaha Aerox > 98' Kawasaki KX60 > 89' Yamaha DT50MX > 80's Honda QR50 > 05' CG clone > 125cc China Pitbike > 91' Honda MTX125 RW-L > 09' Peugeot Speedfight 2 LC LR > Lucky MX 140cc > Apache Tomahawk 50 Quad (current = 2010 Yamaha WR125R

[RhynoCZ]

That's gonna be interesting, keep us posted.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor

[G]

A quick google shows that one should go to an expansion chamber and the other will probably be a return for when the thermostat is closed (err, I think?)

[MattWadz]

Oh right thanks, il have a look tommorow and let you all know, will post pics!
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Pitbike x2, Mini Moto x4, China Quad, 02' Suzuki AP50 > 03' MBK Nitro > 86' Suzuki GP100 > 02' Yamaha Jog R > 57' Honda Lead 100 > 95' Piaggio ZIP Rst 50 > 51' Suzuki TS50x > 83' Honda CB125TDE Twin > 51' Yamaha Aerox > 98' Kawasaki KX60 > 89' Yamaha DT50MX > 80's Honda QR50 > 05' CG clone > 125cc China Pitbike > 91' Honda MTX125 RW-L > 09' Peugeot Speedfight 2 LC LR > Lucky MX 140cc > Apache Tomahawk 50 Quad (current = 2010 Yamaha WR125R

[mysterious_rider]

you want to run two rads?

Funny i tried this the other week, i have overheating problems in heavy traffic sometimes, i removed the front mudguard, welded a strengthening flatbar inside, drilled front mudflap and fitted an MX radiator sideways, hooked it up so it would feed on one rad, then dump to the second rad, then dumped it back to the pump, which the fed the engine, then back to the first rad.

Worked well. But it was fugly so i removed it. Was a bit too 'rat' for my liking.
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KAWASAKIIIII

[stirlinggaz]

hi,
i look forward to hearing the outcome of this.....
cooling system was only weak point on my mtx, it tended to get a bit hot, like a lot of 2t's but the radiator didnt do much good & seemed to only cool down when going at full pelt, so acted like it was air cooled.
cheers,
GAZ

[MattWadz]

il let you know how i get on later today!

Mine does seem to get a bit hot too!
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Pitbike x2, Mini Moto x4, China Quad, 02' Suzuki AP50 > 03' MBK Nitro > 86' Suzuki GP100 > 02' Yamaha Jog R > 57' Honda Lead 100 > 95' Piaggio ZIP Rst 50 > 51' Suzuki TS50x > 83' Honda CB125TDE Twin > 51' Yamaha Aerox > 98' Kawasaki KX60 > 89' Yamaha DT50MX > 80's Honda QR50 > 05' CG clone > 125cc China Pitbike > 91' Honda MTX125 RW-L > 09' Peugeot Speedfight 2 LC LR > Lucky MX 140cc > Apache Tomahawk 50 Quad (current = 2010 Yamaha WR125R