Outboard Motor - Octane Forum Discussions

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Outboard Motors : Octane

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8 Higher octane ??? Force & Chrysler Outboards
4 Octane Booster Mercury & Mariner Outboards
4 1998 VP 5.7 GS, Timing for Lower Octane Volvo Penta I/O & Inboard Gas Engines & Outdrives
2 octane question Yamaha & Suzuki Outboards
3 Mercury Fuel Octane Recommendations Mercury & Mariner Outboards
7 5.8 OMC Fuel Octane vs. Performance OMC I/O & Inboard Engines & Outdrives
5 Octane for Mariner 135 V6 Mercury & Mariner Outboards
6 1977 Evinrude 70 HP, Ethanol, Octane and such... Non-Repair Outboard Discussions
8 Does octane booster work/is it worth it/does it help? Non-Repair Outboard Discussions
3 gas octane ratinig 88 sticker on my 1985 140 looper... Johnson & Evinrude Outboards
6 95 johnson 150 octane? Johnson & Evinrude Outboards
1 87 vs 91 Octane for Yamaha F90 Yamaha & Suzuki Outboards
7 91 octane no ethanol vs. 87 octane w/ethanol and treatment. Non-Repair I/O and Inboards
8 What Octane/Racing fuel should I use Mercury & Mariner Outboards
4 johnson 150 hp v6 vro 1985 octane question Johnson & Evinrude Outboards
0 johnson 150 hp v6 vro 1985 octane question Non-Repair Outboard Discussions
75 110 octane fuel Johnson & Evinrude Outboards
3 fuel octane question for someone that knows Johnson & Evinrude Outboards
12 87 octane with ethanol or 91 octane without... 1994 Merc 75hp 2 stroke Mercury & Mariner Outboards
3 What octane gas should I use in 1960 gale 35hp/omc? Johnson & Evinrude Outboards
2 18HP Octane? Johnson & Evinrude Outboards
6 Is 91 octane non ethenal good for 110 evinrude 89 ??? Johnson & Evinrude Outboards
3 87 Octane in a EFI Merc? Non-Repair Outboard Discussions
2 Volvo 5.7 GL fuel octane? Volvo Penta I/O & Inboard Gas Engines & Outdrives
2 Higher octane? Johnson & Evinrude Outboards
4 Would octane boost help or harm? OMC I/O & Inboard Engines & Outdrives
3 1997 s150txrv prop shake vs octane?? Yamaha & Suzuki Outboards
1 What octane gas for Volvo Penta AQ170a?? Volvo Penta I/O & Inboard Gas Engines & Outdrives
1 2006 Mercury 200xs octane requirement Mercury & Mariner Outboards
20 What octane gas is best to use for a two stroke outboard motor. Non-Repair Outboard Discussions
2 What octane gas is best to use for a two stroke outboard motor. Boat Topics and Questions (not engine topics)
4 Type of octane to use? Force & Chrysler Outboards
6 What fuel octane should I run? Johnson & Evinrude Outboards
7 Octane question Non-Repair I/O and Inboards
3 Force 120HP 1995 - Octane? Force & Chrysler Outboards
17 89 octane vs 87 octane Non-Repair I/O and Inboards
8 High Octane Fuel Volvo Penta I/O & Inboard Gas Engines & Outdrives
6 Octane and ethanol Johnson & Evinrude Outboards
3 Slight knocking at 4000 rpm, what octane should I use OMC I/O & Inboard Engines & Outdrives
14 93 octane ethanol-free versus 87 octane w/ 10% ethanol in a Mercruiser 470/3.7L/165 Non-Repair I/O and Inboards
2 What octane gas to use for 1987 Yamaha Pro v 150 hp Yamaha & Suzuki Outboards
3 Higher Octane with no ethanol Yamaha & Suzuki Outboards
12 What octane do you run? Yamaha & Suzuki Outboards
12 What Octane Would You Use? Mercruiser I/O & Inboard Engines & Outdrives
6 89 octane gas performance Johnson & Evinrude Outboards
17 93 octane or ethanol???? Boat Topics and Questions (not engine topics)
16 Higher octane for outboards Non-Repair Outboard Discussions
33 No 87 Octane at Marina? Boat Topics and Questions (not engine topics)
24 octane Non-Repair Outboard Discussions
41 does octane matter? Non-Repair Outboard Discussions
4 Octane Boat Topics and Questions (not engine topics)
7 What Octane? Yamaha & Suzuki Outboards
16 Octane Booster: What do you think? Boat Topics and Questions (not engine topics)
1 Gas Octane requirement for Mercury Verado 275 hp Mercury & Mariner Outboards
3 What octane Honda & Tohatsu/Nissan Outboards
11 force dying out on high throttle as time goes on oil mix? octane? Force & Chrysler Outboards
6 octane requirement Mercruiser I/O & Inboard Engines & Outdrives
0 octane requirement Mercruiser I/O & Inboard Engines & Outdrives
3 what octane to use, Motor cuts out every 2 minutes Mercury & Mariner Outboards
1 Recommended Fuel Octane? Yamaha & Suzuki Outboards
13 My manual says "at least 89 octane". Should I use 91? Boat Topics and Questions (not engine topics)
2 Does Octane matter? Johnson & Evinrude Outboards
2 Octane Question 55 Johnson CD-12 Non-Repair Outboard Discussions
6 93 Octane? / boaters targeted? Boat Topics and Questions (not engine topics)
8 Which Octane To Use? Mercruiser I/O & Inboard Engines & Outdrives
9 Is 10W-30 or SAE 30 same & Itming for octane 91 gas Mercruiser I/O & Inboard Engines & Outdrives
3 What octane does a OMC 3.0L GM engine take? Mercruiser I/O & Inboard Engines & Outdrives
19 88 Octane? Mercruiser I/O & Inboard Engines & Outdrives
2 89 octane fuel Mercury & Mariner Outboards
13 Octane for Mercruiser 165 hp Mercruiser I/O & Inboard Engines & Outdrives
5 what octane to use Johnson & Evinrude Outboards
6 where would one find octane requirement fuel stickers? Boat Restoration, Building, and Hull Repair
4 fuel octane rating Johnson & Evinrude Outboards
14 High Octane gasoline vs. Low Octane--a primer Non-Repair Outboard Discussions
26 fuel octane Johnson & Evinrude Outboards
8 What octane gas to use Boat Topics and Questions (not engine topics)
14 110 octane Johnson & Evinrude Outboards
9 Mercruiser 260 HP 350, octane requirement? Mercruiser I/O & Inboard Engines & Outdrives
6 94 Octane Marine Gas? Non-Repair Outboard Discussions
4 which Octane is the best for a 1986 75 hp merc Mercury & Mariner Outboards
9 Octane? Mercruiser I/O & Inboard Engines & Outdrives
10 87 Octane???? Johnson & Evinrude Outboards
4 Octane Question for Newbie! PWC (Jetskis, Waverunners, etc.)
2 93 octane fuel Mercury & Mariner Outboards
1 Johnson 110 fuel octane? Johnson & Evinrude Outboards
6 what octane to run???? Mercruiser I/O & Inboard Engines & Outdrives
26 What to do about octane? Mercruiser I/O & Inboard Engines & Outdrives
5 octane requirement 74 v-4 85hp Johnson & Evinrude Outboards
7 gasolin octane Mercury & Mariner Outboards
1 What octane gas......87, 89, or 93!! Force & Chrysler Outboards
25 87 octane ?? Boat Topics and Questions (not engine topics)
3 OMC Outboard Bulletin 2155 - Regarding Lowering Compression to run low octane gas Johnson & Evinrude Outboards
1 Octane Ratings 87 through 94 Mercruiser I/O & Inboard Engines & Outdrives
16 High octane or regular? Mercury & Mariner Outboards
8 Octane rating? Johnson & Evinrude Outboards
5 Octane booster in 2 cycle? '87 DT150 SS Yamaha & Suzuki Outboards
6 Octane for 1990 90hp Johnson? Johnson & Evinrude Outboards
4 72 Evin 25 hp.. Octane gas? Johnson & Evinrude Outboards
7 higher octane gas in older motors???? Johnson & Evinrude Outboards
4 Volvo Gxi / Fuel Octane ? Volvo Penta I/O & Inboard Gas Engines & Outdrives
10 Highest octane, is it critical?? Johnson & Evinrude Outboards
1 Optimax Octane Mercury & Mariner Outboards
22 Posted Octane Numbers Non-Repair Outboard Discussions
4 what octane Non-Repair Outboard Discussions
10 What Octane Yamaha & Suzuki Outboards
7 Ethanol vs 87+ octane Fuel Mercury & Mariner Outboards
4 Gas Octane Reating Johnson & Evinrude Outboards
11 Correct octane? Johnson & Evinrude Outboards
9 Which octane is best? Johnson & Evinrude Outboards
2 OCTANE BOOSTER Mercury & Mariner Outboards
22 Octane- A show of Hands Mercury & Mariner Outboards
1 Correct Octane on a 1989 Evinrude 88 horsepower V-4 outboard model# E88MSLCER Johnson & Evinrude Outboards
6 High-octane versus Regular Johnson & Evinrude Outboards
17 87, 89, 93 octane Johnson & Evinrude Outboards
10 octane atleast 89 ! Non-Repair Outboard Discussions
6 octane atleast 89 ! Johnson & Evinrude Outboards
6 fuel octane Non-Repair Outboard Discussions
12 gas octane Johnson & Evinrude Outboards
11 Standard or Low Octane (Low Compression) Head Gaskets? Johnson & Evinrude Outboards
4 93 of 87 octane??? Non-Repair Outboard Discussions
1 93 of 87 octane??? Johnson & Evinrude Outboards
3 Octane booster Mercury & Mariner Outboards
16 Too much octane ? Mercruiser I/O & Inboard Engines & Outdrives
4 What octane gas for '97 volvo 4.3GL? Volvo Penta I/O & Inboard Gas Engines & Outdrives
11 '82 V6 calls for 88 Octane? Non-Repair Outboard Discussions
1 '82 V6 calls for 88 Octane? Johnson & Evinrude Outboards
12 200GT, 2.5L....91 or 87 Octane??? (UPDATE) Johnson & Evinrude Outboards
1 3.0 Merc - What octane? Mercruiser I/O & Inboard Engines & Outdrives
4 96 Merc 250 -- minimum octane rating 87 / 89 / 93? Mercury & Mariner Outboards
3 OX66 Knock Sensor and Octane Requirements - Yamaha & Suzuki Outboards
4 what octane Johnson & Evinrude Outboards
5 Yamaha 90/65 jet 4 stroke / Octane Yamaha & Suzuki Outboards
5 78 Evinrude 175 Octane Issue Non-Repair Outboard Discussions
2 2000 Evinrude 70hp fuel octane use Johnson & Evinrude Outboards
9 What octane gas should I run in a Carbed Yamaha Yamaha & Suzuki Outboards
1 does octane matter? Force & Chrysler Outboards
7 octane fuel Mercruiser I/O & Inboard Engines & Outdrives
1 octane fuel Non-Repair Outboard Discussions
5 Will Octane Booster help? Mercruiser I/O & Inboard Engines & Outdrives
12 Afraid engine will become octane junkie Mercruiser I/O & Inboard Engines & Outdrives
4 Afraid engine will become octane junkie Boat Topics and Questions (not engine topics)
10 What Octane? Non-Repair Outboard Discussions
4 Octane rating. Johnson & Evinrude Outboards
25 Possibly the last word on octane levels for outboards. Non-Repair Outboard Discussions
16 octane rating for a 25 hp merc Non-Repair Outboard Discussions
3 octane rating for a 25 hp merc Boat Topics and Questions (not engine topics)
3 What Octane for 78' 70hp 3cyl. Evinrude? Johnson & Evinrude Outboards
1 Octane Rating Johnson & Evinrude Outboards
8 Octane Rating Non-Repair Outboard Discussions
3 which octane gas? Johnson & Evinrude Outboards
1 Octane (Aust v USA) Non-Repair Outboard Discussions
17 What Octane Gas..Do you Use? Non-Repair Outboard Discussions
5 89 or 92 octane Mercury & Mariner Outboards
10 More fuel/octane questions. Non-Repair Outboard Discussions
1 Which octane should I burn? Johnson & Evinrude Outboards
7 65 sportwin octane limit Johnson & Evinrude Outboards
10 Octane problems for fishing tomorrow!! Force & Chrysler Outboards
8 octane booster Non-Repair Outboard Discussions
7 octane and towing/loading Boat Topics and Questions (not engine topics)
10 Fuel/octane questions Mercury & Mariner Outboards
21 is 92 octane non- oxygenated gas o.k to use Johnson & Evinrude Outboards
6 Which plugs for high octane fuel? Johnson & Evinrude Outboards
4 93 octane in a '92 /140 Non-Repair Outboard Discussions
1 What octane for 03 yami....90hp Yamaha & Suzuki Outboards
5 gasoline octane Non-Repair Outboard Discussions
1 89 octane good, 92 octane not?? Non-Repair Outboard Discussions
3 1990 Force 120hp, what octane fuel. Force & Chrysler Outboards
9 does higher octane gas help? Yamaha & Suzuki Outboards
1 Octane Rating ? Non-Repair Outboard Discussions
3 Correct fuel octane for 76 evinrude135hp Johnson & Evinrude Outboards
6 Proper octane for a 78 merc 115? Non-Repair Outboard Discussions
4 Proper octane for a 78 merc 115? Mercury & Mariner Outboards
1 1996 Evinrude 48 Special---OCTANE?--- Johnson & Evinrude Outboards
4 low octane? Johnson & Evinrude Outboards
11 Octane - (Australia) Mercury & Mariner Outboards
3 96 Evinrude 112 SPL fuel octane Johnson & Evinrude Outboards
9 Octane - Does it matter? Johnson & Evinrude Outboards
1 What is the recommended octane fuel for merc 125 2001 Mercury & Mariner Outboards
7 what octane Johnson & Evinrude Outboards
15 What kind of oil and fuel octane is best?? Force & Chrysler Outboards
7 what Octane and why???? Mercury & Mariner Outboards
19 Fuel Octane Rating? Non-Repair Outboard Discussions
2 OCTANE ? Johnson & Evinrude Outboards
5 Octane levels Non-Repair Outboard Discussions
12 WHAT OCTANE? Johnson & Evinrude Outboards
24 Octane for Mercury inline 6 owners Mercury & Mariner Outboards
1 what octane to use in johnson 88 spl???????? Johnson & Evinrude Outboards
4 87 OR 89 OCTANE 2001 MERC 115(FUEL CLEANER? Mercury & Mariner Outboards
2 Octane Discussion Non-Repair Outboard Discussions
0 Octane Discussion Non-Repair Outboard Discussions
1 Octane Boat Topics and Questions (not engine topics)
1 1994 Yamaha 115 Jet Drive: What octane fuel to run? Yamaha & Suzuki Outboards
19 Octane Question Yamaha & Suzuki Outboards
4 Fuel/Octane Mercury & Mariner Outboards
8 What octane gasoline Johnson & Evinrude Outboards
2 Which octane is best? Non-Repair Outboard Discussions
1 Fuel Octane recommendation Force & Chrysler Outboards
2 octane Johnson & Evinrude Outboards
0 OCTANE Non-Repair Outboard Discussions
6 What octane fuel for "91" 70hp Evinrude? Johnson & Evinrude Outboards
2 Octane content Non-Repair Outboard Discussions
37 correct octane Non-Repair Outboard Discussions
2 correct octane for 96 Force Force & Chrysler Outboards
8 What octane Yamaha & Suzuki Outboards
4 plugs & octane? Force & Chrysler Outboards