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Power loss and vibrations

2K views 5 replies 4 participants last post by  key 
#1 ·
Hi,
there is noticeably something wrong with my Vee. The first time I noticed Vee doesn't want to be in higher rpms and also the behaivour is a bit vibrating and rough it was when I've replaced chain with both sprockets. Bought x-ring SunStar and since that time Vee goes like I brake with rear brake - it's lazy. I've checked fuel quality, changed air filter for pipercross, had throttle bodies synced, changed oil (motul ester with MA2 specs / ussual in Europe). Checked spark plugs and they look fine (iridium with 5k on it).

Before that issue occurs I bought Gipro Atre and it worked fine.

Any idea what else should I check or did this happen to anybody? Just need some clue. Thanks
 
#3 ·
Whenever a problem arises, the first thing to suspect is the last thing you touched. In your case the gipro has to be the most probable and plausible cause. It has an "advanced timing retard eliminator" doesn't it? Your vibration could be ignition related.

Good suggestion by the big b too.
 
#4 ·
Hi, sorry I wrote the post in hurry. My Vee is k5, 38k and the gipro was assigned before our eurotrip - all fine for 4k km. But we had some problems with fuel quality so maybe it's a good idea to check the fuel path. How can I check the fuel filter? I was told it's all one part and can't be diassembled. Will try to switch off gipro and check.
 
#5 · (Edited)
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