galaxiid Posted May 28, 2012 Share Posted May 28, 2012 I've just changed my engine oil and filter. I had 2.5l of Motul 5100 15W 50 on hand so need to go and get another litre to top it up. I know there are some threads here on oil choice (hiding like a sump plug in a drain pan) but maybe someone can answer these two questions I have: 1. OK to mix brands? What if I add a litre of 10W-40 to the mix? No-no? 2. Supercheap have some oils here: http://www.supercheapauto.co.nz/online-store/lubricants/motorcycle-lubes/bike-4-stroke-oil.aspx?id=5602 Silkolene Comp 4 10W-40 (full synthetic) Castrol Power 1 GPS 10W-40 (semi syn) Castrol Power 1 racing 5W-40 Can anyone recommend what to run? I know the manual recommends AGIP 4T Super Racing 20W-50. The others above are outside the recommended SAE but so too is the Motul at 15W-50 I've been running. Look forward to hearing what others run (esp in NZ) Link to comment Share on other sites More sharing options...
grossohc Posted May 28, 2012 Share Posted May 28, 2012 I am using Motul 5100 15w-50w. Link to comment Share on other sites More sharing options...
Lucky Phil Posted May 28, 2012 Share Posted May 28, 2012 Mobil 1 0w-40. Ciao Link to comment Share on other sites More sharing options...
savagehenry Posted May 28, 2012 Share Posted May 28, 2012 Though I try not to, I have mixed different brands, different viscosities, and different types (dino and synthetic) when needed. There has never been a problem, that's been my experience. My only guideline is I do run the more expensive motorcycle oil as opposed to an auto oil. I personally used the AGIP, but have begun running Redline motorcycle synthetic because it gets such high praise from several motorheads I know who build and race various forms of both car and bike. I also switched because the dealer for Redline is right down the street and it's where I buy the trans fluid too. Link to comment Share on other sites More sharing options...
jrt Posted May 28, 2012 Share Posted May 28, 2012 I've heard Yak fat works pretty well. For these motors, it would be good to use something that has zinc organo-phosphate additives (like ZDDP). Valvoline VR-1 racing oil has it, and I just picked up a couple quarts of Kendall oil, which the bottle reports to be formulated for flat tappet engines (higher concentration of zinc additives). Not sure what kinds of oil you can get in your part of the world. Link to comment Share on other sites More sharing options...
dangerous Posted May 29, 2012 Share Posted May 29, 2012 2. Supercheap have some oils here: http://www.supercheapauto.co.nz/online-store/lubricants/motorcycle-lubes/bike-4-stroke-oil.aspx?id=5602 Silkolene Comp 4 10W-40 (full synthetic) Castrol Power 1 GPS 10W-40 (semi syn) Castrol Power 1 racing 5W-40 Can anyone recommend what to run? I know the manual recommends AGIP 4T Super Racing 20W-50. The others above are outside the recommended SAE but so too is the Motul at 15W-50 I've been running. Look forward to hearing what others run (esp in NZ) The GPS is what I use and is what MG NZ reconmend, oddly they reconmend the full syn for run in then back to the semi. Im suprised so many use a full syn in our old plodders...where bouts are you in NZ? Link to comment Share on other sites More sharing options...
galaxiid Posted June 2, 2012 Author Share Posted June 2, 2012 2. Supercheap have some oils here: http://www.supercheapauto.co.nz/online-store/lubricants/motorcycle-lubes/bike-4-stroke-oil.aspx?id=5602 Silkolene Comp 4 10W-40 (full synthetic) Castrol Power 1 GPS 10W-40 (semi syn) Castrol Power 1 racing 5W-40 Can anyone recommend what to run? I know the manual recommends AGIP 4T Super Racing 20W-50. The others above are outside the recommended SAE but so too is the Motul at 15W-50 I've been running. Look forward to hearing what others run (esp in NZ) The GPS is what I use and is what MG NZ reconmend, oddly they reconmend the full syn for run in then back to the semi. Im suprised so many use a full syn in our old plodders...where bouts are you in NZ? Kapiti. Hey thanks for the answer exactly what I wanted to know. Rather than paying $130 for a 4 litre pack from a bike shop, I'll now go to Super Cheap and get similar at a much reduced fair price. Link to comment Share on other sites More sharing options...
jrt Posted June 2, 2012 Share Posted June 2, 2012 .... they reconmend the full syn for run in then back to the semi. Im suprised so many use a full syn in our old plodders... Just be aware that using full synthetic comes with certain risks- >Found on rec.crafts.metalworking Subject: Beware synthetic oil Beware of synthetic oil, it can do terrible things to you and your beloved motorcycle. It will not only leak out of your engine faster than you can put it in, but it will also cause your oil filter to clog and implode, dumping debris and dirt into your lubrication system. It also will make every part of your bike permanently slippery because of its linear molecular chain dispersion action. Then it will leak onto your kickstand causing it to retract automatically, dropping your bike on the ground! But that's not all... Synthetic oil will round off your gears and spin your bearings. It will also splatter onto your seat causing your girlfriend to fall off in the apex of a turn and she'll never ride with you again. Synthetic oil coats your sight window and your timing window with a whitish pro-emulsification additive that is both non-removable and highly corrosive. Synthetic oil will completely leak onto the ground overnight and your dog will drink it and die. Synthetic oil will wear out your tires and make your battery leak. It will give you the desperate need to urinate after you put your full leathers on and then jam your zippers shut. It will contaminate your gasoline causing your bike to stall on railroad tracks and accelerate uncontrollably near police cars. It will make it rain during rallies and on weekends. It will lubricate four timing belts causing them to jump teeth and break your valves to bits. Synthetic oil chemically weakens desmodromic valves and causes the clearances to change every six miles. Then it melts the black soles of your riding boots night before you walk across your new carpeting. While riding past groups of attractive women it will cause both of your handlebar grips to slip off at the same time so you smash your windscreen with the bridge of your nose. It also causes your swingarm to crack, your studs to break, and your rotors to warp, and then it voids your warranty by changing your odometer reading to 55,555. It also dries out your wetclutch and wets your dryclutch. It makes your clutch slave cylinder seal fail in the heaviest traffic on the hottest day of the year while putting an angry wasp in your helmet for good measure. Synthetic oil hides your 13mm socket and puts superglue on your earplugs. Synthetic oil will scratch your faceshield and make your gloves shrink two sizes night before trackday. Synthetic oil stole your neutral and sold it to the Chinese for $1.25. Synthetic oil will make you grow a tail. Synthetic oil will write long crazy e-mails to your Internet friends and then sign your name at the bottom! Link to comment Share on other sites More sharing options...
dangerous Posted June 3, 2012 Share Posted June 3, 2012 .... they reconmend the full syn for run in then back to the semi. Im suprised so many use a full syn in our old plodders... Just be aware that using full synthetic comes with certain risks- Wont read all that cos Ill proberly agree, or easier put a big thumping twin will mash that fancy syn shit to a pulp, I never said anything cos the topics been done to death many a time...I as said run a semi syn... altho at times I think the old dyno goo would be the best way to go. Link to comment Share on other sites More sharing options...
grossohc Posted June 3, 2012 Share Posted June 3, 2012 .... they reconmend the full syn for run in then back to the semi. Im suprised so many use a full syn in our old plodders... Just be aware that using full synthetic comes with certain risks- So thats where i go wrong Link to comment Share on other sites More sharing options...
gstallons Posted June 3, 2012 Share Posted June 3, 2012 That's why I use synthetic oil............ Link to comment Share on other sites More sharing options...
Lucky Phil Posted June 7, 2012 Share Posted June 7, 2012 .... they reconmend the full syn for run in then back to the semi. Im suprised so many use a full syn in our old plodders... Just be aware that using full synthetic comes with certain risks- Wont read all that cos Ill proberly agree, or easier put a big thumping twin will mash that fancy syn shit to a pulp, I never said anything cos the topics been done to death many a time...I as said run a semi syn... altho at times I think the old dyno goo would be the best way to go. So hows your Guzzi run on Carburettors,points ignition,spoke wheels,cross ply tyres,and 85 octane fuel? well? I'm with you,all that new tech stuff,cant trust it. Ciao Link to comment Share on other sites More sharing options...
dangerous Posted June 8, 2012 Share Posted June 8, 2012 That's why I use synthetic oil............ ... wana compleat the sentance? cos it makes no sence to this half wit... So hows your Guzzi run on Carburettors,points ignition,spoke wheels,cross ply tyres,and 85 octane fuel? well? I'm with you,all that new tech stuff,cant trust it. Ciao farking Ozzy's... what? I know Im tied been trying to stop 300kg Lions waltzing down the foot path with Jo public (snow storms farken me week up) but no bastard's making sence tonight... Link to comment Share on other sites More sharing options...
docc Posted June 11, 2012 Share Posted June 11, 2012 farking Ozzy's... what? I know Im tied been trying to stop 300kg Lions waltzing down the foot path with Jo public (snow storms farken me week up) but no bastard's making sence tonight... farking Kiwis... what? Link to comment Share on other sites More sharing options...
dangerous Posted June 11, 2012 Share Posted June 11, 2012 farking Ozzy's... what? I know Im tied been trying to stop 300kg Lions waltzing down the foot path with Jo public (snow storms farken me week up) but no bastard's making sence tonight... farking Kiwis... what? OHHHHH Docc, dont you be getting me going on them there 'god damn' yanks... hey tell ya what we could all hook into the Iti's aye? Link to comment Share on other sites More sharing options...
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