2 stroke ratio for Motorbike

celco, Dec 16, 6:17pm
Sorry if this is dumb question but I need to know the 2 stroke ratio for my sons motorbike I just brought.Its a 2002 Suzuki 85cc motorx bike.Thanks for any advice

skin1235, Dec 16, 6:37pm
the mix will depend on the oil you use, the work it's doing, the condidtion the engine is inetc
you need to talk to a bike shop
an aside, does it not have oil injection on that model - you simply fill an oil bottle and the engine mixes through a mechanicalsystem to suit the conditions, would have thought a 2002 bike would have such, most of the even earlier suzuki's did have such - have a look below and behind the seat for a small sight glass ( about the size of a 20c coin), if it is there the filler cap is under the seat

celco, Dec 16, 6:58pm
Thanks for that I will check.I have emailed the seller asking but I haven't received a reply yet.If you go to my feedback you can see the bike.Its a very clean & tidy bike & will be used for motorx racing (hopefully).

house_moves, Dec 16, 7:04pm
if you read the q and a on the auction he states that he ran it at30 to 1
which is prob about rite

celco, Dec 16, 7:18pm
Awesome house_moves.I appreciate you taking the time to help a novice.

therafter1, Dec 16, 7:31pm
MIXRATIOSFORTWOSTROKEOIL

Fuel/oil
Ratio ML OIL ADDED FOR
1 Litre 5 Litres 10 Litres 20 Litres
20:1 50 250 500 1000
25:1 40 200 400 800
30:1 33.3 166.5 333 666
32:1 31.3 156.5 313 626
33:1 30.3 151.5 303 606
35:1 28.6 143 286 572
40:1 25 125 250 500
45:1 22.2 111 222 444
50:1 20 100 200 400
55:1 18.2 91 182 364
60:1 16.7 83.5 167 334

r15, Jun 14, 9:59am
35:1 is what most people run on 85s'