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Rowe94
Scooterologist
Joined: Tue Sep 15, 2015 8:24 pm
Posts: 51
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 1980 Honda express Sr won't start So I bought my girlfriend a little blue and white Honda express. The thing is cute but it has an oil leak and if it sits for a couple of days it takes 20-30 kicks to get going...anyways I did an oil pump delete and I cleaned the carb and it fired right up? I waited two days and tried starting it any it sucked.... Not sure where to start for replacing stuff and getting it working. Any advice would be great!
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| Sat Sep 19, 2015 7:17 pm |
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ZUMIKE
Gold Member
Joined: Fri Jun 25, 2010 6:56 am
Posts: 14284
Location: San Diego, CA
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Re: 1980 Honda express Sr won't start new spark plug?
_________________
2010 Zuma 155cc
BWS X Digital Gauges<>Clear Smoke BWS 125 Turn Signal Covers<>Billet Bar Ends<>Front Brake Rotor 260mm<>Razor Cam Covers<>NCY Breather Assembly<>Polini EVO Clutch Bell<>Anodized Orange Dipstick<>RRGS Front and Rear Shocks<>Dual 5000K HID's 35w High/Low Beam<>Black Adjustable Brake levers<>Halo Led's<>TST 2 Stage Variator 9gL 10gS <>NCY Oil Cooler<>Yamaha Skid Plate<>NCY Contra Spring Bearing<>1000 Rpm RRGS Contra Spring<>Yoshimura Exhaust<>NCY Direct Ignition Coil<>Lightweight Cooling Fan<>Koso Cable Clamps<>High Lift Cam+Lightened Cam Sprocket<>Underseat Storage Bag<>Stage 6 (Koso) Clutch<>Accel Handlebars<>Koso Brake Light<>Lightweight Swingarm<>RRGS 4 Pot Caliper (PH80)<>Stainless Braided Brake Line<>Lightened F|ywheel<>OEM Headlight Screens<>Zubiku Wing<>Air Horn<>9 inch stretch<>Koso High Flow Filter/Cover<>RPM 10 Spoke Wheels<>Digital Camo Vinyl Wrap<>SEP Cvt Covers
  
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| Sat Sep 19, 2015 7:20 pm |
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Sauce
Silver Member
Joined: Thu May 01, 2014 8:29 pm
Posts: 779
Location: Orlando, FL
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Re: 1980 Honda express Sr won't start I'm gonna assume that's got a manual choke...everything there working properly? Could be spark plug like Zumike said, too.
_________________
2003 Zuma
(tuning)
Top Performances Trophy Black Edition 70cc
Stage6 19mm PHBG (38pj/84mj/W7 1 lean)
Motoforce derestricted intake
Stock airbox, UNI filter, snorkel removed
Stage6 HPC 10mm crank
Stage6 Pro Replica, derestricted
Malossi MHR Overrange (24.3g)
Malossi 107mm Delta Clutch (yellow Malossi springs)
Malossi 107mm MHR Wing Bell
Malossi Yellow Contra Spring
Malossi Torsion Controller
Top Performance Reed Block and CF Reeds
RFY Shock
Stage 6 F1 Mirrors
Stage 6 14/42s
NGK BR9HS
Michelin Boppers
Trail Tech Vapor
LEDGlow Underglow Kit
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| Sat Sep 19, 2015 9:06 pm |
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Rowe94
Scooterologist
Joined: Tue Sep 15, 2015 8:24 pm
Posts: 51
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Re: 1980 Honda express Sr won't start The choke on these things is super super weird. I want to delete the choke but I'm not entirely sure how. I think it would be awesome to have a different carb that has a manual choke...
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| Sun Sep 20, 2015 6:59 am |
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Sauce
Silver Member
Joined: Thu May 01, 2014 8:29 pm
Posts: 779
Location: Orlando, FL
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Re: 1980 Honda express Sr won't start Does that mean it's got an auto-choke? Have you checked that it's working like it should?
_________________
2003 Zuma
(tuning)
Top Performances Trophy Black Edition 70cc
Stage6 19mm PHBG (38pj/84mj/W7 1 lean)
Motoforce derestricted intake
Stock airbox, UNI filter, snorkel removed
Stage6 HPC 10mm crank
Stage6 Pro Replica, derestricted
Malossi MHR Overrange (24.3g)
Malossi 107mm Delta Clutch (yellow Malossi springs)
Malossi 107mm MHR Wing Bell
Malossi Yellow Contra Spring
Malossi Torsion Controller
Top Performance Reed Block and CF Reeds
RFY Shock
Stage 6 F1 Mirrors
Stage 6 14/42s
NGK BR9HS
Michelin Boppers
Trail Tech Vapor
LEDGlow Underglow Kit
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| Sun Sep 20, 2015 7:44 pm |
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Rowe94
Scooterologist
Joined: Tue Sep 15, 2015 8:24 pm
Posts: 51
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Re: 1980 Honda express Sr won't start it has some sort of auto choke.. I have no idea how it works, I really want to just put a different carb on that has a manual choke and get rid of all the tubes... When i tear it down again ill let you know! and take pictures!!
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| Mon Sep 21, 2015 5:41 am |
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Sauce
Silver Member
Joined: Thu May 01, 2014 8:29 pm
Posts: 779
Location: Orlando, FL
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Re: 1980 Honda express Sr won't start That's one thing I thought I would miss before I started rebuilding...the ease of the autochoke. Now that I've got manual choke and it starts first kick, I don't miss it even a little bit.
_________________
2003 Zuma
(tuning)
Top Performances Trophy Black Edition 70cc
Stage6 19mm PHBG (38pj/84mj/W7 1 lean)
Motoforce derestricted intake
Stock airbox, UNI filter, snorkel removed
Stage6 HPC 10mm crank
Stage6 Pro Replica, derestricted
Malossi MHR Overrange (24.3g)
Malossi 107mm Delta Clutch (yellow Malossi springs)
Malossi 107mm MHR Wing Bell
Malossi Yellow Contra Spring
Malossi Torsion Controller
Top Performance Reed Block and CF Reeds
RFY Shock
Stage 6 F1 Mirrors
Stage 6 14/42s
NGK BR9HS
Michelin Boppers
Trail Tech Vapor
LEDGlow Underglow Kit
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| Mon Sep 21, 2015 7:46 pm |
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Rowe94
Scooterologist
Joined: Tue Sep 15, 2015 8:24 pm
Posts: 51
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Re: 1980 Honda express Sr won't start So the only way to get this thing to manual choke would be to get a new carb correct?
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| Tue Sep 22, 2015 5:42 am |
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Sauce
Silver Member
Joined: Thu May 01, 2014 8:29 pm
Posts: 779
Location: Orlando, FL
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Re: 1980 Honda express Sr won't start It probably depends on the carb...any info on what kind it is? Or the manufacturer?
_________________
2003 Zuma
(tuning)
Top Performances Trophy Black Edition 70cc
Stage6 19mm PHBG (38pj/84mj/W7 1 lean)
Motoforce derestricted intake
Stock airbox, UNI filter, snorkel removed
Stage6 HPC 10mm crank
Stage6 Pro Replica, derestricted
Malossi MHR Overrange (24.3g)
Malossi 107mm Delta Clutch (yellow Malossi springs)
Malossi 107mm MHR Wing Bell
Malossi Yellow Contra Spring
Malossi Torsion Controller
Top Performance Reed Block and CF Reeds
RFY Shock
Stage 6 F1 Mirrors
Stage 6 14/42s
NGK BR9HS
Michelin Boppers
Trail Tech Vapor
LEDGlow Underglow Kit
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| Tue Sep 22, 2015 4:45 pm |
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zumaguy50
Bronze Member
Joined: Sun Jun 14, 2009 4:58 pm
Posts: 319
Location: Iowa, USA
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Re: 1980 Honda express Sr won't start Its a vacuum system controlled by the cylinder head temp. You can use regular 3/16 ball valve to manually control it. Start by replacing all the fuel and air lines.
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| Fri Nov 10, 2017 4:49 am |
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