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Hello we have a 40HP F40LA outboard from Yamaha, its a 2018 with 400hours, injection engine. Every morning shes cranking for about 5-6sec before she start, once start it works fine for all day, no rough idlle, not rough wideopen, works A1 - The fuel prime bulb is hard. - I removed the output...

I have a 2014 Jeep Wrangler automatic with 110K miles. When it is cold outside ( But then I throw it in reverse to back down the driveway and either the RPM's drop for a few seconds and it "shudders" then goes back to normal, or on occasion it will actually stall out. When it stalls, I put it...

Hello, I have a Mercruiser 5.7 with around 1000hours in the heart, I always put Rotella T5 15w40, but now the API SM is over. What do you think switching at 1000hours on full Synthetic AMSOIL 15w40 ? AM I gonna expect some leak problem ? Should I keep going with T5 even without the API SM ? thanks

Do I waste my money by adding a can of LiquiMoly MOS2 (in a boat 5.7 v8) to valvoline Maxlife ?

Hello, I have a boat with a fuel tank of 60gallons. My engine is now reaching 1000hours and its a 2008. Its running a little bit "rough". I want to clean up injectors and intake. Instead of removing all injectors a guy suggested me to remove the main gas line and use a separate line connected...

Hello, I always put Rotela Triple action 15w40 in my 350 gas engine boat. it seems that Rotela changed their formula with T4 instead of Triple Action. Triple action has these API : API: CJ-4, CI-4 Plus, CI-4, CH-4, CG-4, CF-4, CF. · API: SM, SL, SJ, SH · ACEA: E9, E7 · etc... We can see API...

HI, Honda recommand ATF DW1-1 as transmission oïl in my 2011 CRV. Do you see any inconveniant by using Amsoil ATF oïl ? can it be mix ? thanks Use only Honda ATF DW-1 (automatic transmission f luid). Do not mix with other transmission f luids. Using transmission f luid other than Honda ATF...

Hi, Freedom Lift required only Chevron Clarity Hydraulic Oil AW ISO 32. We can only find 5gallons quantity. I found Amsoil Tractor hydraulic oïl in small quantity (1 liter) : http://www.amsoil.com/shop/by-product/hy...EA#ReviewHeader from user manual : Do NOT use any...

I have twin 5.7gxi Volvo in my boat. approx 800hours both leak 2-3drops per ride from main rear seal. Many people said do not go with full syntetic oïl with your leak. Keep 100% mineral oïl. So I used blend T5 instead. no increasing drop, and seems stable. is there a big difference between...

for a rookie guy what means TBN and what is used for ?

Hi, instead of calling my Jeep dealer, is there a way to know which differential I have on my jeep ? What mean W/ TT and WO/ TT with and without what? On Amsoil website I read this available for my jeep ; Limited Slip Differential, Rear 226 FBI W/ TT......GL-5* All TEMPS......75W-140 [5]...

Hello, What is the main difference between API CJ-4/SN and API CJ-4/SN/SM ? SN - its the most recent spec for oil. Can it be used in all gas engine, any year? SN/SM - Why some oil are rated SN and SM ? I want to used Amsoil API CJ-4/SN in a 2002 gaz engine ,should it be ok ? thanks

Hello, Some rain entered in my boat tank, I know that because my cap was not correcty close. Is there any good additive to add in my tank in order to remove Water in gaz? an other question , Does it work ?

Is there a difference between Amsoil Gear Lube and Volvo Gear lube? I put Amsoil in my sterndrive last time. Gear case seems more smooth then regular 80w90 industriel gear lube that boat dealer put in. Is it true that volvo gear lube is the same as Amsoil ?

I target to put Mobil Delvac Elite 15w40 (API SM) in my 5.7 gm block Can we mix MOS2 LiquiMolly with Delvac full synthetic ? On AMSOIL website they do not recommand additive oïl, what about Devac Elite ? thanks

Quick & easy one here ; 5w30 , 5 is the grade when oil is cold (thinner). 30 is the grade (thicker) when oil is hot. Can we say when the engine temp gage(not the oil temp gage) is locate to its normal level when running the oil is now at 30grade? Engine temp gage is reading the prestone temp...

Hello, My question is probably rookie but I ask ; Can we say the higher oil pressure is ,the better is ? I have a boat with a 5.7l engine. When I run it at 4000RPM the oil pressure is around 460. Engine boat is working hard at 4000. My main question is what is the goal of the oil pressure...

Hello, I storaged my boat with 120gallons (2x 60gallons gaz tank) last automn. For sure I added Stabil in. The boat now is sit in a "warm" (36F) garage. Gas is in the boat since 7months. Should I add Octane Booster? Its expensive Octane Booster ; Amsoil have the Dominator bottle, 1 bottle is...

Hello, I put Amsoil 10w30 in my snowblower. Since that I got some sludge in the oil cap ? Is there any particular reason ? Snowblower always run full throttle. thanks

Hello ! I have a Jeep full equip with the hour counter when engine is running. Approx 8000km (5000miles) equal to 50hours. Now let switch on boat side ! Mercruiser and Volvo recommand oil change every 100hours or one time per season. 100hours in my Jeep is ~16,000km. Considering running the...