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58

harley primary oil

Worth a look

Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 23Growth 96Conversion 63Competition 47Returns 98Price range 87Avg price 95Brand share 33Review moat 68Quality gap 14

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Growth

Incredible+155.1%

90-day search growth — must beat 0% to launch

Avg price

Incredible$37.27

avg listing price — sweet spot $15–$100

Price range

Great$11.06–$105.58

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Good787.67

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.6%

search→purchase rate — share of searches ending in a sale

Competition

Okay57%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay85%

top-5 brand share — brands hold most of the demand

Market size

Bad$93K

$93K/yr · 45K searches

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

Signals Trending

According to Flapen's Amazon United States niche tracking, harley primary oil is a $93K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 58/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

harley primary oil market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
$112K–$149K
units × avg price
Conversion rate
5.6%
Avg BSR
#317
Page quality
0%
Prime
86%
Sponsored
48%
Out of stock
0.7%
Avg brand age
83 months
Avg seller age
133 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

204

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

57%

Top 20: 99%

Open market

11%

  • Bel-Ray25%
  • Lucas Oil25%
  • Maxima17%
  • Red Line14%
  • Schaeffer Manufacturing Co5%
  • Quicksilver3%
  • Open — no brand owns it (5 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +155.1% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 7.4×

Top harley primary oil search terms

  • harley primary oil16K/yr
  • primary oil for harley davidson12K/yr
  • amsoil primary oil for harley davidson8K/yr
  • harley davidson primary oil5K/yr
  • primary oil4K/yr
All search terms

Top harley primary oil products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$9K20%$19K30%$28K40%$37K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What buyers say about harley primary oil

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall33%

“good quality, good price, fast shipping”

Lubrication15%

“Fast delivery, quality lubricants”

Value For Money14%

“Worth the money”

Advertised Vs Actual Product8%

“Works as needed”

Efficiency7%

“Engine runs smooth”

Ease Of Use5%

“Exactly What I Ordered And So Convenient”

Noise Level2%

“I read from others that it made the transmission quiet down”

Size-Overall2%

“Fit my 2000 Harley Fat boy”

Fuel Efficiency2%

“60k and doesnt burn a drop in 30 or 110 degree weather”

Adjustability/Rotatability/Reclining1%

“Seems to be good for easy shifts”

What buyers complain about

Value For Money13%

“Too high price”

Filtration13%

“the oil filter filter needs some work not a perfect fit”

Size-Overall12%

“Incorrect size”

Lubrication7%

“Not enough fluid”

Grip7%

“Its slippery”

Thin7%

“Seemed thinner than original”

Advertised Vs Actual Product7%

“Misleading description”

Noise Level7%

“The engine wasn't as quiet either”

Material Quality4%

“Made out of cheap material”

Thickness3%

“at 10-40 i think it was a little thin”

Top return reasons

Value For Money21%
Compatibility-Overall16%
Leak-Proof14%
Size-Overall13%
Advertised Vs Actual Product13%
Filtration5%
Defective Material/Parts3%
Material Quality3%
Quality-Overall2%
Functionality-Overall2%

Common questions

Is harley primary oil profitable to sell on Amazon United States?
The niche generates $93K/yr across 21 tracked products. 90-day search growth is +155.1%. Flapen's verdict: Worth a look (58/100).
How competitive is the harley primary oil niche?
11 brands and 204 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in harley primary oil?
Top complaints mined from reviews: Value For Money, Filtration, Size-Overall. The return rate is 0.4%.
When does demand for harley primary oil peak?
Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 7.4× the quietest.
What does it cost to enter the harley primary oil niche?
Listings span $11.06–$105.58; the average listing price is $37.27 (sweet spot $15–$100). The average incumbent carries 788 reviews — the moat a new listing must climb.