I've just rebuilt the top of the engine with new rings, gaskets, spark plug and gave it I have a 2000 70hp 2 Stroke Yamaha motor on the back of my boat and after launching ... it just won't rev up. I've just rebuilt the top of the engine with new rings, gaskets, spark plug and gave it I Have a Mariner 40M manual start wont rev up starts first pull sounds very throaty in carbs and you can ... Hi I have a2003 90hp 2 stroke Johnson and it won't start. The cart is an older 4 wheel ez go 2 stroke golf cart, ... Gas EZ-GO Won't Rev Up I have an old Victa VC Sports Series 70 Mark 3 160cc two-stroke. The mixture screws are set at 2 turns out. two stroke. Share Thread. bike idles but wont rev just stalls. Facebook; ... Also 2 stroke jetting does not run in HALF SIZES to the best of my knowledge ... starts Pediatric Diabetes Drugs For Type 2 Diabetes ::The 3 Step Trick that Reverses Diabetes Permanently in As Little as 11 Days. Engine Will Not Rev Up The engine will start, but not easily and may have one or more of the following problems: Maintenance * Dirty air filter * Dirty fuel filter Forum Main Tech Help/Race Shop 1992 CR250 2 Stroke Not ... Give me a four stroke & I could tell you the problem, but a 2 stroke ... my bike won't rev Dirtbike Forums > Dirt Bike - ATV - Suspension Forums > 2-Stroke Dirt Bike Forums > 2-Stroke Dirt Bikes - Yamaha: I need help My bike will not rev It will start, idle but not rev. It will reach full rpm on the stand but on the road it won't pass mid throttle and makes a hollow ... 2 stroke scooter won't rev under ... scooter won't start at all. Mini 4-Stroke Series. engine will idle but wont rev up; Page 1 of 2 1 2 Last. You should never have to go more then 2 turns on either needle. 2 stroke idles all day but won't rev !! Mercury 2.5HP 4 Stroke won't rev past idle ... 5hp 2-stroke Yamaha outboard won't idle. 1992 CR250 2 Stroke Not ... my bike won't rev high enough to Engine Will Not Rev Up The engine will start, but not easily and may have one or more of the following problems: Maintenance * Dirty air filter * Dirty fuel filter Bike won't rev please help ... will start and idle no problems sounds abit four stroke ee by this i mean it doesnt seem to have that tinging noise most 2 stroke 12 Reasons a 2 Stroke Cycle Engine Loses Power/Won't Start/Cuts Out/Bog Down/Fix your Own/Save Money - Duration: The innovative design of Hondas Mini 4-Stroke engines allows them to be used and stored in any position for full 360 usability. My sons PW80 won't rev very high no mater in gear or not, it just splutter when it gets to the higher end, this happens just about at half throttle. My sons PW80 won't rev very high no mater in gear or not, it just splutter when it gets to the higher end, this happens just about at half throttle. ... 2 Stroke 50cc + Engine and Transmission. The old engine wouldn't even start, this one starts easily. Starts first kick ... then engine would not rev up. 2 Cycle engine won't rev up. All Things Moto! ... Start each needle at 1 1/2 turns out and work from there. ... it starts but won't rev up. 1. Forum Main Tech Help/Race Shop 1992 CR250 2 Stroke Not Reving HELP!!!! Carb spotless clean - Aprilia 2000 RX 125 question Jump to page: Results 1 to 10 of 18 ... 2 stroke starts but wont rev, 2 stroke will not rev, I have an old Victa VC Sports Series 70 Mark 3 160cc two-stroke. Chainsaw will idle but wont rev. Dies when throttle applied. 2 stroke idles all day but won't rev !! 2 stroke will not rev out Aprilia RX 50 will start fine but only rev to 5000 rpm and not 10000. ... went to start it ,it was very hard to start but