1985 RZ350 Canadian backfires low speed
Moderator: rztom
1985 RZ350 Canadian backfires low speed
Greetings. Just took the bike out of winter storage. Started no trouble but it stutters and pops at low revs. Once up over 6000 rpm it stops stumbling. It was doing this a tad at the end of last year but was more of a stuttering feeling intermittently that would disappear when it warmed up. I tightened up the exhaust manifold screws as one was a touch loose and it seemed to help but problem has now returned and they are fine. Any thoughts? Tks. Bill
Sent from my iPad using Tapatalk
Sent from my iPad using Tapatalk
Re: 1985 RZ350 Canadian backfires low speed
Are you sure the choke is not pulled out?
Re: 1985 RZ350 Canadian backfires low speed
Sounds like the carbs need to be cleaned, Pilots sound like they are blocked..
1985 RZv500
1984 RZ500 Hybrid
1986 RG500 Walter Wolf
1986 RG500 Skoal Bandit
1984 RZ350
1984 RZ350 Hybrid
1981 RD350LC
1981 RD350LC Hybrid
2009 CR500AF Supermoto 250X
2007 CR500AF 250X
1988 YSR50 (2)
1984 GPZ750 Turbo
1989 VFR750R RC30
1984 RZ500 Hybrid
1986 RG500 Walter Wolf
1986 RG500 Skoal Bandit
1984 RZ350
1984 RZ350 Hybrid
1981 RD350LC
1981 RD350LC Hybrid
2009 CR500AF Supermoto 250X
2007 CR500AF 250X
1988 YSR50 (2)
1984 GPZ750 Turbo
1989 VFR750R RC30
Re: 1985 RZ350 Canadian backfires low speed
AlexG wrote:Are you sure the choke is not pulled out?
Re: 1985 RZ350 Canadian backfires low speed
Unless it is stuck at the carb it is not out.
Sent from my iPad using Tapatalk
Sent from my iPad using Tapatalk
Re: 1985 RZ350 Canadian backfires low speed
tacky1 wrote:Sounds like the carbs need to be cleaned, Pilots sound like they are blocked..
Re: 1985 RZ350 Canadian backfires low speed
I am going to pull them out and check...haven't done that on this bike yet so will be a learning experience. Tks for the input.. Bill
Sent from my iPad using Tapatalk
Sent from my iPad using Tapatalk
-
- Posts: 1368
- Joined: Tue Nov 12, 2013 2:34 am
Re: 1985 RZ350 Canadian backfires low speed
Be patient! Dealing with carbs sucks at first especially getting them in and out of the bike. May be able to turn carb 45 degrees to access the bottom.
Re: 1985 RZ350 Canadian backfires low speed
Pulled plugs....left one fouled and right fine. Replaced and problem (temporarily) resolved. I backed out a quarter turn on the air screw to try and lean that side a bit. It will be interesting to see if and how quickly it fouls again...not that hopeful that leaning it out a bit will solve the issue.
Sent from my iPad using Tapatalk
Sent from my iPad using Tapatalk
Re: 1985 RZ350 Canadian backfires low speed
Pilot jets!!! Get the carbs ultrasonic cleaned.
Rory
2 1984 RZ350s
1985 RZ350
9 1986-1990 RZ350s
2000 ST2
2005 749
2005 749 with 999 engine
2 1984 RZ350s
1985 RZ350
9 1986-1990 RZ350s
2000 ST2
2005 749
2005 749 with 999 engine