March 18th, 2018, 08:16 PM | #1 |
ninjette.org member
Name: Tommy
Location: Glastonbury
Join Date: Nov 2017 Motorcycle(s): 1995 RF900R, 1996 GS500E Posts: 65
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Getting my RF900R to run
Hi guys, I'm back again and I am in desperate help!
I have a 1995 Suzuki RF900RS, it has over 40k miles on it. Bought from some guy who didn't take any good care of it. I have rebuilt a bike before but it was a two cylinder (GSTWIN) and I figured an engine with two more couldn't be that harder. I rebuilt the top end and did a valve clearance check. Making sure to keep the exhaust clearances between .20 and .10mm. And the intake between .10mm and .20 mm. Procedure for cam timing: -- Rotated the crankshaft to top dead center -- aligned the 1st marker on the exhaust cam shaft, level with the valve head, counted 13 pins to the left along the cam chain and aligned the 3rd marker on the intake cam. -- Installed the cam tensioner. Here the issue... -- Carbs should have worked fine, they worked before I took the bike apart and after they should have kept working because I didn't do much to them at all. -- When I start turn the fuel petcock on, fuel starts flowing. Take a good couple of minutes for the bike exhaust to make any kind of noise. -- Bike immediately shoots of a loud gunfire(POP). -- It will sometimes make a poomp, poomp, poomp, POP, poomp, poomp, poomp,, POP. And it will continue to do this unless I turn the bike off. It also cause the exhaust to release a lot of white smoke. Possible causes (I think): -- Bad fuel: I was using months old fuel with fuel storage stuff put in it. -- Bad Carbs: Which I have trouble believing because all the Pilot jets, main jets are clear. The diaphragm sliders work great. -- Bad Spark Plugs: I replaced them with new ones -- weak ignition coils: I tested each spark plug by grounding them to the frame and all worked exactly the same(lol I shocked my self once too, Not as bad as I thought it would be). -- Stator: Not sure how it works and how it affects the spark plugs -- Air delivery: I tried cleaning my stock air filter with K&N cleaner kit. By washing and spraying the product on it. I don't know if this could have cause the filter to get clogged instead of actually cleaning it. -- Some other stupid thing that I might have missed when reassembling the bike ALL the motorcycle gurus out there I call on you for help!!!! Thank You for any of the support you guys give me |
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March 18th, 2018, 09:02 PM | #3 |
"a legend in my own mind"
Name: maverick9611
Location: Augusta,Georgia
Join Date: May 2017 Motorcycle(s): 2015 moto guzzi norge(brownie),2020 aprilia dorsoduro, Posts: A lot.
MOTM - Feb '18
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sounds like your timing is off. maybe cam chain jumped a tooth on reinstall.
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"trying not to get old" |
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March 18th, 2018, 09:03 PM | #4 |
ninjette.org member
Name: Tommy
Location: Glastonbury
Join Date: Nov 2017 Motorcycle(s): 1995 RF900R, 1996 GS500E Posts: 65
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March 19th, 2018, 07:44 AM | #5 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much.
MOTY 2015, MOTM - Nov '12, Nov '13
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Welcome and good luck!
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Goal: Shake A Million Hands | Look through the corners | Track Day Prep | Closest track? | The Mid-Ohio School |
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March 19th, 2018, 10:23 AM | #6 |
ninjette.org member
Name: Tommy
Location: Glastonbury
Join Date: Nov 2017 Motorcycle(s): 1995 RF900R, 1996 GS500E Posts: 65
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I forgot to mention, all the valves are opening at the same time, what could be the cause of this exactly????
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March 19th, 2018, 01:02 PM | #7 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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March 19th, 2018, 02:24 PM | #8 |
ninjette.org certified postwhore
Name: Roger
Location: Mitchell, South Dakota
Join Date: Apr 2014 Motorcycle(s): 1978 Z1R, 1999 EX250 Posts: A lot.
MOTY - 2018, MOTM - Oct '16
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You might want to do a compression test and see if maybe the cams are out of time and if you have any bent valves.
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March 19th, 2018, 10:58 PM | #9 |
ninjette.org member
Name: Tommy
Location: Glastonbury
Join Date: Nov 2017 Motorcycle(s): 1995 RF900R, 1996 GS500E Posts: 65
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March 20th, 2018, 01:33 AM | #10 |
The Asian Caucasian
Name: Abu Mishary Mohd Fairus
Location: Malaysia
Join Date: Jan 2016 Motorcycle(s): Kawasaki Ninja 250 SE 2015 (sold); Honda ADV160 (current) Posts: 796
MOTM - Jan '17
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welcome!
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Losing someone is not painful. They are a part of us all this while and will always be with us. But missing them is. |
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March 23rd, 2018, 10:03 PM | #11 |
ninjette.org member
Name: Tommy
Location: Glastonbury
Join Date: Nov 2017 Motorcycle(s): 1995 RF900R, 1996 GS500E Posts: 65
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Here is a video of me doing the timing for my rf900r, can anybody tell me if I did it correctly?
https://m.youtube.com/watch?v=d0x8A_ekqCg |
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March 30th, 2018, 06:29 AM | #12 |
ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
Join Date: Jan 2009 Motorcycle(s): 05 Blue Ninja 250 Posts: Too much.
MOTY - 2017, MOTM - Jan '19, Oct '16, May '14
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Hello and welcome!
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April 16th, 2018, 08:29 PM | #13 |
Track Clown
Name: Chris
Location: Kingman, AZ
Join Date: May 2012 Motorcycle(s): '08 250R, 21 MV F3 800, Kawasaki 400 build Posts: A lot.
MOTM - Sep '15
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hi
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